Home / 8,064.74-11,129.52-4,528.02

Finding the Fourth Proportional to 8,064.74, 11,129.52 and 4,528.02

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Solution

The fourth proportional to 8,064.74, 11,129.52 and 4,528.02 is: 6,248.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.74 : 11,129.52 = 4,528.02 : x
  2. Step 2: Convert to fraction form
    8,064.74/11,129.52 = 4,528.02/x
  3. Step 3: Cross multiply
    8,064.74x = 11,129.52 × 4,528.02
  4. Step 4: Simplify right side
    8,064.74x = 50,394,689.15
  5. Step 5: Solve for x
    x = 50,394,689.15/8,064.74
  6. Step 6: Final answer
    x = 6,248.77

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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.