Home / 12,342.24-17,031.30-7,036.02

Finding the Fourth Proportional to 12,342.24, 17,031.30 and 7,036.02

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Solution

The fourth proportional to 12,342.24, 17,031.30 and 7,036.02 is: 9,709.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342.24 : 17,031.30 = 7,036.02 : x
  2. Step 2: Convert to fraction form
    12,342.24/17,031.30 = 7,036.02/x
  3. Step 3: Cross multiply
    12,342.24x = 17,031.30 × 7,036.02
  4. Step 4: Simplify right side
    12,342.24x = 119,832,567.43
  5. Step 5: Solve for x
    x = 119,832,567.43/12,342.24
  6. Step 6: Final answer
    x = 9,709.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.