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Finding the Fourth Proportional to 7,248.16, 10,000.19 and 4,061.03

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Solution

The fourth proportional to 7,248.16, 10,000.19 and 4,061.03 is: 5,602.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.16 : 10,000.19 = 4,061.03 : x
  2. Step 2: Convert to fraction form
    7,248.16/10,000.19 = 4,061.03/x
  3. Step 3: Cross multiply
    7,248.16x = 10,000.19 × 4,061.03
  4. Step 4: Simplify right side
    7,248.16x = 40,611,071.60
  5. Step 5: Solve for x
    x = 40,611,071.60/7,248.16
  6. Step 6: Final answer
    x = 5,602.95

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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.