Home / 10,101.16-15,098.56-8,774.40

Finding the Fourth Proportional to 10,101.16, 15,098.56 and 8,774.40

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Solution

The fourth proportional to 10,101.16, 15,098.56 and 8,774.40 is: 13,115.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.16 : 15,098.56 = 8,774.40 : x
  2. Step 2: Convert to fraction form
    10,101.16/15,098.56 = 8,774.40/x
  3. Step 3: Cross multiply
    10,101.16x = 15,098.56 × 8,774.40
  4. Step 4: Simplify right side
    10,101.16x = 132,480,804.86
  5. Step 5: Solve for x
    x = 132,480,804.86/10,101.16
  6. Step 6: Final answer
    x = 13,115.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.