Home / 8,655.24-11,944.20-4,878.81

Finding the Fourth Proportional to 8,655.24, 11,944.20 and 4,878.81

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Solution

The fourth proportional to 8,655.24, 11,944.20 and 4,878.81 is: 6,732.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655.24 : 11,944.20 = 4,878.81 : x
  2. Step 2: Convert to fraction form
    8,655.24/11,944.20 = 4,878.81/x
  3. Step 3: Cross multiply
    8,655.24x = 11,944.20 × 4,878.81
  4. Step 4: Simplify right side
    8,655.24x = 58,273,482.40
  5. Step 5: Solve for x
    x = 58,273,482.40/8,655.24
  6. Step 6: Final answer
    x = 6,732.74

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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.