Home / 7,542.02-11,312.45-3,098.47

Finding the Fourth Proportional to 7,542.02, 11,312.45 and 3,098.47

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Solution

The fourth proportional to 7,542.02, 11,312.45 and 3,098.47 is: 4,647.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.02 : 11,312.45 = 3,098.47 : x
  2. Step 2: Convert to fraction form
    7,542.02/11,312.45 = 3,098.47/x
  3. Step 3: Cross multiply
    7,542.02x = 11,312.45 × 3,098.47
  4. Step 4: Simplify right side
    7,542.02x = 35,051,312.71
  5. Step 5: Solve for x
    x = 35,051,312.71/7,542.02
  6. Step 6: Final answer
    x = 4,647.47

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.