Home / 10,187.17-15,275.72-3,612.37

Finding the Fourth Proportional to 10,187.17, 15,275.72 and 3,612.37

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Solution

The fourth proportional to 10,187.17, 15,275.72 and 3,612.37 is: 5,416.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.17 : 15,275.72 = 3,612.37 : x
  2. Step 2: Convert to fraction form
    10,187.17/15,275.72 = 3,612.37/x
  3. Step 3: Cross multiply
    10,187.17x = 15,275.72 × 3,612.37
  4. Step 4: Simplify right side
    10,187.17x = 55,181,534.59
  5. Step 5: Solve for x
    x = 55,181,534.59/10,187.17
  6. Step 6: Final answer
    x = 5,416.77

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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.