Home / 9,124.02-12,591.18-5,296.44

Finding the Fourth Proportional to 9,124.02, 12,591.18 and 5,296.44

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Solution

The fourth proportional to 9,124.02, 12,591.18 and 5,296.44 is: 7,309.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.02 : 12,591.18 = 5,296.44 : x
  2. Step 2: Convert to fraction form
    9,124.02/12,591.18 = 5,296.44/x
  3. Step 3: Cross multiply
    9,124.02x = 12,591.18 × 5,296.44
  4. Step 4: Simplify right side
    9,124.02x = 66,688,429.40
  5. Step 5: Solve for x
    x = 66,688,429.40/9,124.02
  6. Step 6: Final answer
    x = 7,309.11

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.