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Finding the Fourth Proportional to 8,345.52, 12,507.80 and 7,303.04

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Solution

The fourth proportional to 8,345.52, 12,507.80 and 7,303.04 is: 10,945.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.52 : 12,507.80 = 7,303.04 : x
  2. Step 2: Convert to fraction form
    8,345.52/12,507.80 = 7,303.04/x
  3. Step 3: Cross multiply
    8,345.52x = 12,507.80 × 7,303.04
  4. Step 4: Simplify right side
    8,345.52x = 91,344,963.71
  5. Step 5: Solve for x
    x = 91,344,963.71/8,345.52
  6. Step 6: Final answer
    x = 10,945.39

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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.