Home / 8,926.47-12,318.35-4,947.55

Finding the Fourth Proportional to 8,926.47, 12,318.35 and 4,947.55

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Solution

The fourth proportional to 8,926.47, 12,318.35 and 4,947.55 is: 6,827.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.47 : 12,318.35 = 4,947.55 : x
  2. Step 2: Convert to fraction form
    8,926.47/12,318.35 = 4,947.55/x
  3. Step 3: Cross multiply
    8,926.47x = 12,318.35 × 4,947.55
  4. Step 4: Simplify right side
    8,926.47x = 60,945,597.01
  5. Step 5: Solve for x
    x = 60,945,597.01/8,926.47
  6. Step 6: Final answer
    x = 6,827.51

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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.