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Finding the Fourth Proportional to 9,202.93, 12,700.03 and 5,011.21

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Solution

The fourth proportional to 9,202.93, 12,700.03 and 5,011.21 is: 6,915.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,202.93 : 12,700.03 = 5,011.21 : x
  2. Step 2: Convert to fraction form
    9,202.93/12,700.03 = 5,011.21/x
  3. Step 3: Cross multiply
    9,202.93x = 12,700.03 × 5,011.21
  4. Step 4: Simplify right side
    9,202.93x = 63,642,517.34
  5. Step 5: Solve for x
    x = 63,642,517.34/9,202.93
  6. Step 6: Final answer
    x = 6,915.46

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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.