Home / 7,508.12-11,220.61-5,537.76

Finding the Fourth Proportional to 7,508.12, 11,220.61 and 5,537.76

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Solution

The fourth proportional to 7,508.12, 11,220.61 and 5,537.76 is: 8,275.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,508.12 : 11,220.61 = 5,537.76 : x
  2. Step 2: Convert to fraction form
    7,508.12/11,220.61 = 5,537.76/x
  3. Step 3: Cross multiply
    7,508.12x = 11,220.61 × 5,537.76
  4. Step 4: Simplify right side
    7,508.12x = 62,137,045.23
  5. Step 5: Solve for x
    x = 62,137,045.23/7,508.12
  6. Step 6: Final answer
    x = 8,275.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.