Home / 8,947.15-12,347.84-4,969.04

Finding the Fourth Proportional to 8,947.15, 12,347.84 and 4,969.04

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Solution

The fourth proportional to 8,947.15, 12,347.84 and 4,969.04 is: 6,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.15 : 12,347.84 = 4,969.04 : x
  2. Step 2: Convert to fraction form
    8,947.15/12,347.84 = 4,969.04/x
  3. Step 3: Cross multiply
    8,947.15x = 12,347.84 × 4,969.04
  4. Step 4: Simplify right side
    8,947.15x = 61,356,861.56
  5. Step 5: Solve for x
    x = 61,356,861.56/8,947.15
  6. Step 6: Final answer
    x = 6,857.70

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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.