Home / 10,130.76-13,982.25-6,357.18

Finding the Fourth Proportional to 10,130.76, 13,982.25 and 6,357.18

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Solution

The fourth proportional to 10,130.76, 13,982.25 and 6,357.18 is: 8,774.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.76 : 13,982.25 = 6,357.18 : x
  2. Step 2: Convert to fraction form
    10,130.76/13,982.25 = 6,357.18/x
  3. Step 3: Cross multiply
    10,130.76x = 13,982.25 × 6,357.18
  4. Step 4: Simplify right side
    10,130.76x = 88,887,680.06
  5. Step 5: Solve for x
    x = 88,887,680.06/10,130.76
  6. Step 6: Final answer
    x = 8,774.04

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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.