Home / 12,088.50-18,160.55-8,587.02

Finding the Fourth Proportional to 12,088.50, 18,160.55 and 8,587.02

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Solution

The fourth proportional to 12,088.50, 18,160.55 and 8,587.02 is: 12,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.50 : 18,160.55 = 8,587.02 : x
  2. Step 2: Convert to fraction form
    12,088.50/18,160.55 = 8,587.02/x
  3. Step 3: Cross multiply
    12,088.50x = 18,160.55 × 8,587.02
  4. Step 4: Simplify right side
    12,088.50x = 155,944,963.13
  5. Step 5: Solve for x
    x = 155,944,963.13/12,088.50
  6. Step 6: Final answer
    x = 12,900.27

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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.