Home / 8,838.28-12,195.08-4,957.81

Finding the Fourth Proportional to 8,838.28, 12,195.08 and 4,957.81

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Solution

The fourth proportional to 8,838.28, 12,195.08 and 4,957.81 is: 6,840.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,838.28 : 12,195.08 = 4,957.81 : x
  2. Step 2: Convert to fraction form
    8,838.28/12,195.08 = 4,957.81/x
  3. Step 3: Cross multiply
    8,838.28x = 12,195.08 × 4,957.81
  4. Step 4: Simplify right side
    8,838.28x = 60,460,857.16
  5. Step 5: Solve for x
    x = 60,460,857.16/8,838.28
  6. Step 6: Final answer
    x = 6,840.79

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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.