Home / 8,924.98-12,316.33-4,891.78

Finding the Fourth Proportional to 8,924.98, 12,316.33 and 4,891.78

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Solution

The fourth proportional to 8,924.98, 12,316.33 and 4,891.78 is: 6,750.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,924.98 : 12,316.33 = 4,891.78 : x
  2. Step 2: Convert to fraction form
    8,924.98/12,316.33 = 4,891.78/x
  3. Step 3: Cross multiply
    8,924.98x = 12,316.33 × 4,891.78
  4. Step 4: Simplify right side
    8,924.98x = 60,248,721.52
  5. Step 5: Solve for x
    x = 60,248,721.52/8,924.98
  6. Step 6: Final answer
    x = 6,750.57

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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.