Home / 10,006.68-13,811.13-5,760.57

Finding the Fourth Proportional to 10,006.68, 13,811.13 and 5,760.57

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Solution

The fourth proportional to 10,006.68, 13,811.13 and 5,760.57 is: 7,950.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006.68 : 13,811.13 = 5,760.57 : x
  2. Step 2: Convert to fraction form
    10,006.68/13,811.13 = 5,760.57/x
  3. Step 3: Cross multiply
    10,006.68x = 13,811.13 × 5,760.57
  4. Step 4: Simplify right side
    10,006.68x = 79,559,981.14
  5. Step 5: Solve for x
    x = 79,559,981.14/10,006.68
  6. Step 6: Final answer
    x = 7,950.69

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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.