Home / 8,854.95-12,219.81-4,876.07

Finding the Fourth Proportional to 8,854.95, 12,219.81 and 4,876.07

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Solution

The fourth proportional to 8,854.95, 12,219.81 and 4,876.07 is: 6,728.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.95 : 12,219.81 = 4,876.07 : x
  2. Step 2: Convert to fraction form
    8,854.95/12,219.81 = 4,876.07/x
  3. Step 3: Cross multiply
    8,854.95x = 12,219.81 × 4,876.07
  4. Step 4: Simplify right side
    8,854.95x = 59,584,569.56
  5. Step 5: Solve for x
    x = 59,584,569.56/8,854.95
  6. Step 6: Final answer
    x = 6,728.95

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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.