Home / 9,102.48-13,560.38-8,536.61

Finding the Fourth Proportional to 9,102.48, 13,560.38 and 8,536.61

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Solution

The fourth proportional to 9,102.48, 13,560.38 and 8,536.61 is: 12,717.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102.48 : 13,560.38 = 8,536.61 : x
  2. Step 2: Convert to fraction form
    9,102.48/13,560.38 = 8,536.61/x
  3. Step 3: Cross multiply
    9,102.48x = 13,560.38 × 8,536.61
  4. Step 4: Simplify right side
    9,102.48x = 115,759,565.03
  5. Step 5: Solve for x
    x = 115,759,565.03/9,102.48
  6. Step 6: Final answer
    x = 12,717.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.