Home / 8,376.38-11,558.56-5,019.11

Finding the Fourth Proportional to 8,376.38, 11,558.56 and 5,019.11

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Solution

The fourth proportional to 8,376.38, 11,558.56 and 5,019.11 is: 6,925.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.38 : 11,558.56 = 5,019.11 : x
  2. Step 2: Convert to fraction form
    8,376.38/11,558.56 = 5,019.11/x
  3. Step 3: Cross multiply
    8,376.38x = 11,558.56 × 5,019.11
  4. Step 4: Simplify right side
    8,376.38x = 58,013,731.51
  5. Step 5: Solve for x
    x = 58,013,731.51/8,376.38
  6. Step 6: Final answer
    x = 6,925.87

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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.