Home / 8,926.46-12,318.18-4,947.47

Finding the Fourth Proportional to 8,926.46, 12,318.18 and 4,947.47

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Solution

The fourth proportional to 8,926.46, 12,318.18 and 4,947.47 is: 6,827.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.46 : 12,318.18 = 4,947.47 : x
  2. Step 2: Convert to fraction form
    8,926.46/12,318.18 = 4,947.47/x
  3. Step 3: Cross multiply
    8,926.46x = 12,318.18 × 4,947.47
  4. Step 4: Simplify right side
    8,926.46x = 60,943,826.00
  5. Step 5: Solve for x
    x = 60,943,826.00/8,926.46
  6. Step 6: Final answer
    x = 6,827.32

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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.