Home / 10,534.08-15,800.96-3,138.24

Finding the Fourth Proportional to 10,534.08, 15,800.96 and 3,138.24

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Solution

The fourth proportional to 10,534.08, 15,800.96 and 3,138.24 is: 4,707.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,534.08 : 15,800.96 = 3,138.24 : x
  2. Step 2: Convert to fraction form
    10,534.08/15,800.96 = 3,138.24/x
  3. Step 3: Cross multiply
    10,534.08x = 15,800.96 × 3,138.24
  4. Step 4: Simplify right side
    10,534.08x = 49,587,204.71
  5. Step 5: Solve for x
    x = 49,587,204.71/10,534.08
  6. Step 6: Final answer
    x = 4,707.31

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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.