Home / 10,354.93-15,534.70-3,781.10

Finding the Fourth Proportional to 10,354.93, 15,534.70 and 3,781.10

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Solution

The fourth proportional to 10,354.93, 15,534.70 and 3,781.10 is: 5,672.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,354.93 : 15,534.70 = 3,781.10 : x
  2. Step 2: Convert to fraction form
    10,354.93/15,534.70 = 3,781.10/x
  3. Step 3: Cross multiply
    10,354.93x = 15,534.70 × 3,781.10
  4. Step 4: Simplify right side
    10,354.93x = 58,738,283.55
  5. Step 5: Solve for x
    x = 58,738,283.55/10,354.93
  6. Step 6: Final answer
    x = 5,672.50

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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.