Home / 10,057.38-13,878.86-6,077.81

Finding the Fourth Proportional to 10,057.38, 13,878.86 and 6,077.81

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Solution

The fourth proportional to 10,057.38, 13,878.86 and 6,077.81 is: 8,387.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,057.38 : 13,878.86 = 6,077.81 : x
  2. Step 2: Convert to fraction form
    10,057.38/13,878.86 = 6,077.81/x
  3. Step 3: Cross multiply
    10,057.38x = 13,878.86 × 6,077.81
  4. Step 4: Simplify right side
    10,057.38x = 84,352,974.31
  5. Step 5: Solve for x
    x = 84,352,974.31/10,057.38
  6. Step 6: Final answer
    x = 8,387.17

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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.