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Finding the Fourth Proportional to 6,126, 9,167.12 and 5,307.08

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Solution

The fourth proportional to 6,126, 9,167.12 and 5,307.08 is: 7,941.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126 : 9,167.12 = 5,307.08 : x
  2. Step 2: Convert to fraction form
    6,126/9,167.12 = 5,307.08/x
  3. Step 3: Cross multiply
    6,126x = 9,167.12 × 5,307.08
  4. Step 4: Simplify right side
    6,126x = 48,650,639.21
  5. Step 5: Solve for x
    x = 48,650,639.21/6,126
  6. Step 6: Final answer
    x = 7,941.66

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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.