Home / 8,895.92-12,275.72-4,916.80

Finding the Fourth Proportional to 8,895.92, 12,275.72 and 4,916.80

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Solution

The fourth proportional to 8,895.92, 12,275.72 and 4,916.80 is: 6,784.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895.92 : 12,275.72 = 4,916.80 : x
  2. Step 2: Convert to fraction form
    8,895.92/12,275.72 = 4,916.80/x
  3. Step 3: Cross multiply
    8,895.92x = 12,275.72 × 4,916.80
  4. Step 4: Simplify right side
    8,895.92x = 60,357,260.10
  5. Step 5: Solve for x
    x = 60,357,260.10/8,895.92
  6. Step 6: Final answer
    x = 6,784.82

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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.