Home / 10,362.60-15,543.90-3,437.10

Finding the Fourth Proportional to 10,362.60, 15,543.90 and 3,437.10

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Solution

The fourth proportional to 10,362.60, 15,543.90 and 3,437.10 is: 5,155.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362.60 : 15,543.90 = 3,437.10 : x
  2. Step 2: Convert to fraction form
    10,362.60/15,543.90 = 3,437.10/x
  3. Step 3: Cross multiply
    10,362.60x = 15,543.90 × 3,437.10
  4. Step 4: Simplify right side
    10,362.60x = 53,425,938.69
  5. Step 5: Solve for x
    x = 53,425,938.69/10,362.60
  6. Step 6: Final answer
    x = 5,155.65

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Similar ratio
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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.