Home / 10,717.95-14,790.50-5,872.65

Finding the Fourth Proportional to 10,717.95, 14,790.50 and 5,872.65

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Solution

The fourth proportional to 10,717.95, 14,790.50 and 5,872.65 is: 8,104.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,717.95 : 14,790.50 = 5,872.65 : x
  2. Step 2: Convert to fraction form
    10,717.95/14,790.50 = 5,872.65/x
  3. Step 3: Cross multiply
    10,717.95x = 14,790.50 × 5,872.65
  4. Step 4: Simplify right side
    10,717.95x = 86,859,355.87
  5. Step 5: Solve for x
    x = 86,859,355.87/10,717.95
  6. Step 6: Final answer
    x = 8,104.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.