Home / 8,275.38-11,418.74-4,916.95

Finding the Fourth Proportional to 8,275.38, 11,418.74 and 4,916.95

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Solution

The fourth proportional to 8,275.38, 11,418.74 and 4,916.95 is: 6,784.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.38 : 11,418.74 = 4,916.95 : x
  2. Step 2: Convert to fraction form
    8,275.38/11,418.74 = 4,916.95/x
  3. Step 3: Cross multiply
    8,275.38x = 11,418.74 × 4,916.95
  4. Step 4: Simplify right side
    8,275.38x = 56,145,316.55
  5. Step 5: Solve for x
    x = 56,145,316.55/8,275.38
  6. Step 6: Final answer
    x = 6,784.63

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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.