Home / 8,875.81-12,248.55-4,896.84

Finding the Fourth Proportional to 8,875.81, 12,248.55 and 4,896.84

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Solution

The fourth proportional to 8,875.81, 12,248.55 and 4,896.84 is: 6,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.81 : 12,248.55 = 4,896.84 : x
  2. Step 2: Convert to fraction form
    8,875.81/12,248.55 = 4,896.84/x
  3. Step 3: Cross multiply
    8,875.81x = 12,248.55 × 4,896.84
  4. Step 4: Simplify right side
    8,875.81x = 59,979,189.58
  5. Step 5: Solve for x
    x = 59,979,189.58/8,875.81
  6. Step 6: Final answer
    x = 6,757.60

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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.