Home / 8,316.50-11,475.72-5,087.93

Finding the Fourth Proportional to 8,316.50, 11,475.72 and 5,087.93

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Solution

The fourth proportional to 8,316.50, 11,475.72 and 5,087.93 is: 7,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.50 : 11,475.72 = 5,087.93 : x
  2. Step 2: Convert to fraction form
    8,316.50/11,475.72 = 5,087.93/x
  3. Step 3: Cross multiply
    8,316.50x = 11,475.72 × 5,087.93
  4. Step 4: Simplify right side
    8,316.50x = 58,387,660.06
  5. Step 5: Solve for x
    x = 58,387,660.06/8,316.50
  6. Step 6: Final answer
    x = 7,020.70

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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.