Home / 9,160.72-13,719.06-8,701.36

Finding the Fourth Proportional to 9,160.72, 13,719.06 and 8,701.36

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Solution

The fourth proportional to 9,160.72, 13,719.06 and 8,701.36 is: 13,031.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160.72 : 13,719.06 = 8,701.36 : x
  2. Step 2: Convert to fraction form
    9,160.72/13,719.06 = 8,701.36/x
  3. Step 3: Cross multiply
    9,160.72x = 13,719.06 × 8,701.36
  4. Step 4: Simplify right side
    9,160.72x = 119,374,479.92
  5. Step 5: Solve for x
    x = 119,374,479.92/9,160.72
  6. Step 6: Final answer
    x = 13,031.12

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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.