Home / 8,292.02-11,442.80-4,515.12

Finding the Fourth Proportional to 8,292.02, 11,442.80 and 4,515.12

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Solution

The fourth proportional to 8,292.02, 11,442.80 and 4,515.12 is: 6,230.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292.02 : 11,442.80 = 4,515.12 : x
  2. Step 2: Convert to fraction form
    8,292.02/11,442.80 = 4,515.12/x
  3. Step 3: Cross multiply
    8,292.02x = 11,442.80 × 4,515.12
  4. Step 4: Simplify right side
    8,292.02x = 51,665,615.14
  5. Step 5: Solve for x
    x = 51,665,615.14/8,292.02
  6. Step 6: Final answer
    x = 6,230.76

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Half scale
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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.