Home / 9,947.16-13,725.18-6,802.20

Finding the Fourth Proportional to 9,947.16, 13,725.18 and 6,802.20

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Solution

The fourth proportional to 9,947.16, 13,725.18 and 6,802.20 is: 9,385.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947.16 : 13,725.18 = 6,802.20 : x
  2. Step 2: Convert to fraction form
    9,947.16/13,725.18 = 6,802.20/x
  3. Step 3: Cross multiply
    9,947.16x = 13,725.18 × 6,802.20
  4. Step 4: Simplify right side
    9,947.16x = 93,361,419.40
  5. Step 5: Solve for x
    x = 93,361,419.40/9,947.16
  6. Step 6: Final answer
    x = 9,385.74

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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.