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Finding the Fourth Proportional to 7,896.61, 10,897.49 and 4,360.04

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Solution

The fourth proportional to 7,896.61, 10,897.49 and 4,360.04 is: 6,016.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.61 : 10,897.49 = 4,360.04 : x
  2. Step 2: Convert to fraction form
    7,896.61/10,897.49 = 4,360.04/x
  3. Step 3: Cross multiply
    7,896.61x = 10,897.49 × 4,360.04
  4. Step 4: Simplify right side
    7,896.61x = 47,513,470.50
  5. Step 5: Solve for x
    x = 47,513,470.50/7,896.61
  6. Step 6: Final answer
    x = 6,016.95

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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.