Home / 9,687.91-14,529.95-2,666.12

Finding the Fourth Proportional to 9,687.91, 14,529.95 and 2,666.12

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Solution

The fourth proportional to 9,687.91, 14,529.95 and 2,666.12 is: 3,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,687.91 : 14,529.95 = 2,666.12 : x
  2. Step 2: Convert to fraction form
    9,687.91/14,529.95 = 2,666.12/x
  3. Step 3: Cross multiply
    9,687.91x = 14,529.95 × 2,666.12
  4. Step 4: Simplify right side
    9,687.91x = 38,738,590.29
  5. Step 5: Solve for x
    x = 38,738,590.29/9,687.91
  6. Step 6: Final answer
    x = 3,998.65

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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.