Home / 10,027.40-15,042.92-5,647.32

Finding the Fourth Proportional to 10,027.40, 15,042.92 and 5,647.32

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Solution

The fourth proportional to 10,027.40, 15,042.92 and 5,647.32 is: 8,472.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,027.40 : 15,042.92 = 5,647.32 : x
  2. Step 2: Convert to fraction form
    10,027.40/15,042.92 = 5,647.32/x
  3. Step 3: Cross multiply
    10,027.40x = 15,042.92 × 5,647.32
  4. Step 4: Simplify right side
    10,027.40x = 84,952,154.74
  5. Step 5: Solve for x
    x = 84,952,154.74/10,027.40
  6. Step 6: Final answer
    x = 8,472.01

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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.