Home / 12,551.22-17,320.64-7,246.53

Finding the Fourth Proportional to 12,551.22, 17,320.64 and 7,246.53

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Solution

The fourth proportional to 12,551.22, 17,320.64 and 7,246.53 is: 10,000.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.22 : 17,320.64 = 7,246.53 : x
  2. Step 2: Convert to fraction form
    12,551.22/17,320.64 = 7,246.53/x
  3. Step 3: Cross multiply
    12,551.22x = 17,320.64 × 7,246.53
  4. Step 4: Simplify right side
    12,551.22x = 125,514,501.15
  5. Step 5: Solve for x
    x = 125,514,501.15/12,551.22
  6. Step 6: Final answer
    x = 10,000.18

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1.5x scale

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.