Home / 10,562.13-15,840.66-3,542.40

Finding the Fourth Proportional to 10,562.13, 15,840.66 and 3,542.40

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Solution

The fourth proportional to 10,562.13, 15,840.66 and 3,542.40 is: 5,312.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,562.13 : 15,840.66 = 3,542.40 : x
  2. Step 2: Convert to fraction form
    10,562.13/15,840.66 = 3,542.40/x
  3. Step 3: Cross multiply
    10,562.13x = 15,840.66 × 3,542.40
  4. Step 4: Simplify right side
    10,562.13x = 56,113,953.98
  5. Step 5: Solve for x
    x = 56,113,953.98/10,562.13
  6. Step 6: Final answer
    x = 5,312.75

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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.