Home / 9,118.47-12,583.49-4,926.72

Finding the Fourth Proportional to 9,118.47, 12,583.49 and 4,926.72

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Solution

The fourth proportional to 9,118.47, 12,583.49 and 4,926.72 is: 6,798.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.47 : 12,583.49 = 4,926.72 : x
  2. Step 2: Convert to fraction form
    9,118.47/12,583.49 = 4,926.72/x
  3. Step 3: Cross multiply
    9,118.47x = 12,583.49 × 4,926.72
  4. Step 4: Simplify right side
    9,118.47x = 61,995,331.85
  5. Step 5: Solve for x
    x = 61,995,331.85/9,118.47
  6. Step 6: Final answer
    x = 6,798.87

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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.