Home / 10,432.16-15,638.44-3,501.80

Finding the Fourth Proportional to 10,432.16, 15,638.44 and 3,501.80

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Solution

The fourth proportional to 10,432.16, 15,638.44 and 3,501.80 is: 5,249.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.16 : 15,638.44 = 3,501.80 : x
  2. Step 2: Convert to fraction form
    10,432.16/15,638.44 = 3,501.80/x
  3. Step 3: Cross multiply
    10,432.16x = 15,638.44 × 3,501.80
  4. Step 4: Simplify right side
    10,432.16x = 54,762,689.19
  5. Step 5: Solve for x
    x = 54,762,689.19/10,432.16
  6. Step 6: Final answer
    x = 5,249.41

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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.