Home / 12,332.61-18,507.15-4,541.40

Finding the Fourth Proportional to 12,332.61, 18,507.15 and 4,541.40

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Solution

The fourth proportional to 12,332.61, 18,507.15 and 4,541.40 is: 6,815.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332.61 : 18,507.15 = 4,541.40 : x
  2. Step 2: Convert to fraction form
    12,332.61/18,507.15 = 4,541.40/x
  3. Step 3: Cross multiply
    12,332.61x = 18,507.15 × 4,541.40
  4. Step 4: Simplify right side
    12,332.61x = 84,048,371.01
  5. Step 5: Solve for x
    x = 84,048,371.01/12,332.61
  6. Step 6: Final answer
    x = 6,815.13

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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.