Home / 10,354.10-15,531.15-9,868.10

Finding the Fourth Proportional to 10,354.10, 15,531.15 and 9,868.10

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Solution

The fourth proportional to 10,354.10, 15,531.15 and 9,868.10 is: 14,802.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,354.10 : 15,531.15 = 9,868.10 : x
  2. Step 2: Convert to fraction form
    10,354.10/15,531.15 = 9,868.10/x
  3. Step 3: Cross multiply
    10,354.10x = 15,531.15 × 9,868.10
  4. Step 4: Simplify right side
    10,354.10x = 153,262,941.32
  5. Step 5: Solve for x
    x = 153,262,941.32/10,354.10
  6. Step 6: Final answer
    x = 14,802.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.