Home / 12,535.90-17,298.91-7,502.87

Finding the Fourth Proportional to 12,535.90, 17,298.91 and 7,502.87

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Solution

The fourth proportional to 12,535.90, 17,298.91 and 7,502.87 is: 10,353.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.90 : 17,298.91 = 7,502.87 : x
  2. Step 2: Convert to fraction form
    12,535.90/17,298.91 = 7,502.87/x
  3. Step 3: Cross multiply
    12,535.90x = 17,298.91 × 7,502.87
  4. Step 4: Simplify right side
    12,535.90x = 129,791,525.50
  5. Step 5: Solve for x
    x = 129,791,525.50/12,535.90
  6. Step 6: Final answer
    x = 10,353.59

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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.