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Finding the Fourth Proportional to 6,801.84, 9,386.34 and 4,148.76

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Solution

The fourth proportional to 6,801.84, 9,386.34 and 4,148.76 is: 5,725.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,801.84 : 9,386.34 = 4,148.76 : x
  2. Step 2: Convert to fraction form
    6,801.84/9,386.34 = 4,148.76/x
  3. Step 3: Cross multiply
    6,801.84x = 9,386.34 × 4,148.76
  4. Step 4: Simplify right side
    6,801.84x = 38,941,671.94
  5. Step 5: Solve for x
    x = 38,941,671.94/6,801.84
  6. Step 6: Final answer
    x = 5,725.17

Related Problems

Find fourth proportional to 3,400.92, 4,693.17 and 2,074.38
Half scale
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Double scale
Find fourth proportional to 6,802.84, 9,387.72 and 4,149.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.