Home / 10,257.66-14,154.57-5,780.88

Finding the Fourth Proportional to 10,257.66, 14,154.57 and 5,780.88

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Solution

The fourth proportional to 10,257.66, 14,154.57 and 5,780.88 is: 7,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.66 : 14,154.57 = 5,780.88 : x
  2. Step 2: Convert to fraction form
    10,257.66/14,154.57 = 5,780.88/x
  3. Step 3: Cross multiply
    10,257.66x = 14,154.57 × 5,780.88
  4. Step 4: Simplify right side
    10,257.66x = 81,825,870.62
  5. Step 5: Solve for x
    x = 81,825,870.62/10,257.66
  6. Step 6: Final answer
    x = 7,977.05

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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.