Home / 9,136.02-12,589.10-6,304.26

Finding the Fourth Proportional to 9,136.02, 12,589.10 and 6,304.26

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Solution

The fourth proportional to 9,136.02, 12,589.10 and 6,304.26 is: 8,687.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.02 : 12,589.10 = 6,304.26 : x
  2. Step 2: Convert to fraction form
    9,136.02/12,589.10 = 6,304.26/x
  3. Step 3: Cross multiply
    9,136.02x = 12,589.10 × 6,304.26
  4. Step 4: Simplify right side
    9,136.02x = 79,364,959.57
  5. Step 5: Solve for x
    x = 79,364,959.57/9,136.02
  6. Step 6: Final answer
    x = 8,687.04

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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.