Home / 10,152.97-14,011.38-5,677.22

Finding the Fourth Proportional to 10,152.97, 14,011.38 and 5,677.22

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Solution

The fourth proportional to 10,152.97, 14,011.38 and 5,677.22 is: 7,834.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152.97 : 14,011.38 = 5,677.22 : x
  2. Step 2: Convert to fraction form
    10,152.97/14,011.38 = 5,677.22/x
  3. Step 3: Cross multiply
    10,152.97x = 14,011.38 × 5,677.22
  4. Step 4: Simplify right side
    10,152.97x = 79,545,686.76
  5. Step 5: Solve for x
    x = 79,545,686.76/10,152.97
  6. Step 6: Final answer
    x = 7,834.72

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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.