Home / 9,167.36-12,650.92-5,188.48

Finding the Fourth Proportional to 9,167.36, 12,650.92 and 5,188.48

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Solution

The fourth proportional to 9,167.36, 12,650.92 and 5,188.48 is: 7,160.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,167.36 : 12,650.92 = 5,188.48 : x
  2. Step 2: Convert to fraction form
    9,167.36/12,650.92 = 5,188.48/x
  3. Step 3: Cross multiply
    9,167.36x = 12,650.92 × 5,188.48
  4. Step 4: Simplify right side
    9,167.36x = 65,639,045.40
  5. Step 5: Solve for x
    x = 65,639,045.40/9,167.36
  6. Step 6: Final answer
    x = 7,160.08

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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.