Home / 10,356.59-15,525.56-3,778.17

Finding the Fourth Proportional to 10,356.59, 15,525.56 and 3,778.17

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Solution

The fourth proportional to 10,356.59, 15,525.56 and 3,778.17 is: 5,663.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.59 : 15,525.56 = 3,778.17 : x
  2. Step 2: Convert to fraction form
    10,356.59/15,525.56 = 3,778.17/x
  3. Step 3: Cross multiply
    10,356.59x = 15,525.56 × 3,778.17
  4. Step 4: Simplify right side
    10,356.59x = 58,658,186.13
  5. Step 5: Solve for x
    x = 58,658,186.13/10,356.59
  6. Step 6: Final answer
    x = 5,663.85

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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.