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Finding the Fourth Proportional to 10,283.60, 15,425.40 and 6,136.40

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Solution

The fourth proportional to 10,283.60, 15,425.40 and 6,136.40 is: 9,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,283.60 : 15,425.40 = 6,136.40 : x
  2. Step 2: Convert to fraction form
    10,283.60/15,425.40 = 6,136.40/x
  3. Step 3: Cross multiply
    10,283.60x = 15,425.40 × 6,136.40
  4. Step 4: Simplify right side
    10,283.60x = 94,656,424.56
  5. Step 5: Solve for x
    x = 94,656,424.56/10,283.60
  6. Step 6: Final answer
    x = 9,204.60

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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.