Home / 8,824.36-12,177.72-4,845.40

Finding the Fourth Proportional to 8,824.36, 12,177.72 and 4,845.40

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Solution

The fourth proportional to 8,824.36, 12,177.72 and 4,845.40 is: 6,686.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,824.36 : 12,177.72 = 4,845.40 : x
  2. Step 2: Convert to fraction form
    8,824.36/12,177.72 = 4,845.40/x
  3. Step 3: Cross multiply
    8,824.36x = 12,177.72 × 4,845.40
  4. Step 4: Simplify right side
    8,824.36x = 59,005,924.49
  5. Step 5: Solve for x
    x = 59,005,924.49/8,824.36
  6. Step 6: Final answer
    x = 6,686.71

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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.