Home / 8,635.17-12,888.66-7,444.11

Finding the Fourth Proportional to 8,635.17, 12,888.66 and 7,444.11

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Solution

The fourth proportional to 8,635.17, 12,888.66 and 7,444.11 is: 11,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.17 : 12,888.66 = 7,444.11 : x
  2. Step 2: Convert to fraction form
    8,635.17/12,888.66 = 7,444.11/x
  3. Step 3: Cross multiply
    8,635.17x = 12,888.66 × 7,444.11
  4. Step 4: Simplify right side
    8,635.17x = 95,944,602.79
  5. Step 5: Solve for x
    x = 95,944,602.79/8,635.17
  6. Step 6: Final answer
    x = 11,110.91

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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.