Home / 9,118.91-13,664.68-7,035.79

Finding the Fourth Proportional to 9,118.91, 13,664.68 and 7,035.79

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Solution

The fourth proportional to 9,118.91, 13,664.68 and 7,035.79 is: 10,543.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.91 : 13,664.68 = 7,035.79 : x
  2. Step 2: Convert to fraction form
    9,118.91/13,664.68 = 7,035.79/x
  3. Step 3: Cross multiply
    9,118.91x = 13,664.68 × 7,035.79
  4. Step 4: Simplify right side
    9,118.91x = 96,141,818.90
  5. Step 5: Solve for x
    x = 96,141,818.90/9,118.91
  6. Step 6: Final answer
    x = 10,543.13

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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.