Home / 8,895.28-12,275.48-4,916.39

Finding the Fourth Proportional to 8,895.28, 12,275.48 and 4,916.39

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Solution

The fourth proportional to 8,895.28, 12,275.48 and 4,916.39 is: 6,784.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895.28 : 12,275.48 = 4,916.39 : x
  2. Step 2: Convert to fraction form
    8,895.28/12,275.48 = 4,916.39/x
  3. Step 3: Cross multiply
    8,895.28x = 12,275.48 × 4,916.39
  4. Step 4: Simplify right side
    8,895.28x = 60,350,985.74
  5. Step 5: Solve for x
    x = 60,350,985.74/8,895.28
  6. Step 6: Final answer
    x = 6,784.61

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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.