Home / 8,816.60-12,167.75-5,040.07

Finding the Fourth Proportional to 8,816.60, 12,167.75 and 5,040.07

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Solution

The fourth proportional to 8,816.60, 12,167.75 and 5,040.07 is: 6,955.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.60 : 12,167.75 = 5,040.07 : x
  2. Step 2: Convert to fraction form
    8,816.60/12,167.75 = 5,040.07/x
  3. Step 3: Cross multiply
    8,816.60x = 12,167.75 × 5,040.07
  4. Step 4: Simplify right side
    8,816.60x = 61,326,293.92
  5. Step 5: Solve for x
    x = 61,326,293.92/8,816.60
  6. Step 6: Final answer
    x = 6,955.77

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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.