Home / 10,351.10-15,526.65-9,281.90

Finding the Fourth Proportional to 10,351.10, 15,526.65 and 9,281.90

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Solution

The fourth proportional to 10,351.10, 15,526.65 and 9,281.90 is: 13,922.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.10 : 15,526.65 = 9,281.90 : x
  2. Step 2: Convert to fraction form
    10,351.10/15,526.65 = 9,281.90/x
  3. Step 3: Cross multiply
    10,351.10x = 15,526.65 × 9,281.90
  4. Step 4: Simplify right side
    10,351.10x = 144,116,812.64
  5. Step 5: Solve for x
    x = 144,116,812.64/10,351.10
  6. Step 6: Final answer
    x = 13,922.85

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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.