Home / 8,895.95-12,276.38-4,917.06

Finding the Fourth Proportional to 8,895.95, 12,276.38 and 4,917.06

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Solution

The fourth proportional to 8,895.95, 12,276.38 and 4,917.06 is: 6,785.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895.95 : 12,276.38 = 4,917.06 : x
  2. Step 2: Convert to fraction form
    8,895.95/12,276.38 = 4,917.06/x
  3. Step 3: Cross multiply
    8,895.95x = 12,276.38 × 4,917.06
  4. Step 4: Simplify right side
    8,895.95x = 60,363,672.46
  5. Step 5: Solve for x
    x = 60,363,672.46/8,895.95
  6. Step 6: Final answer
    x = 6,785.53

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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.