Home / 8,655.18-11,944.54-4,878.50

Finding the Fourth Proportional to 8,655.18, 11,944.54 and 4,878.50

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Solution

The fourth proportional to 8,655.18, 11,944.54 and 4,878.50 is: 6,732.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655.18 : 11,944.54 = 4,878.50 : x
  2. Step 2: Convert to fraction form
    8,655.18/11,944.54 = 4,878.50/x
  3. Step 3: Cross multiply
    8,655.18x = 11,944.54 × 4,878.50
  4. Step 4: Simplify right side
    8,655.18x = 58,271,438.39
  5. Step 5: Solve for x
    x = 58,271,438.39/8,655.18
  6. Step 6: Final answer
    x = 6,732.55

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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.