Home / 10,362.57-15,530.85-4,432.49

Finding the Fourth Proportional to 10,362.57, 15,530.85 and 4,432.49

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Solution

The fourth proportional to 10,362.57, 15,530.85 and 4,432.49 is: 6,643.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,362.57 : 15,530.85 = 4,432.49 : x
  2. Step 2: Convert to fraction form
    10,362.57/15,530.85 = 4,432.49/x
  3. Step 3: Cross multiply
    10,362.57x = 15,530.85 × 4,432.49
  4. Step 4: Simplify right side
    10,362.57x = 68,840,359.52
  5. Step 5: Solve for x
    x = 68,840,359.52/10,362.57
  6. Step 6: Final answer
    x = 6,643.18

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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.