Home / 8,660.72-11,948.52-5,473.10

Finding the Fourth Proportional to 8,660.72, 11,948.52 and 5,473.10

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Solution

The fourth proportional to 8,660.72, 11,948.52 and 5,473.10 is: 7,550.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660.72 : 11,948.52 = 5,473.10 : x
  2. Step 2: Convert to fraction form
    8,660.72/11,948.52 = 5,473.10/x
  3. Step 3: Cross multiply
    8,660.72x = 11,948.52 × 5,473.10
  4. Step 4: Simplify right side
    8,660.72x = 65,395,444.81
  5. Step 5: Solve for x
    x = 65,395,444.81/8,660.72
  6. Step 6: Final answer
    x = 7,550.81

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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.