Home / 8,853.96-12,218.58-4,875.06

Finding the Fourth Proportional to 8,853.96, 12,218.58 and 4,875.06

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Solution

The fourth proportional to 8,853.96, 12,218.58 and 4,875.06 is: 6,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.96 : 12,218.58 = 4,875.06 : x
  2. Step 2: Convert to fraction form
    8,853.96/12,218.58 = 4,875.06/x
  3. Step 3: Cross multiply
    8,853.96x = 12,218.58 × 4,875.06
  4. Step 4: Simplify right side
    8,853.96x = 59,566,310.61
  5. Step 5: Solve for x
    x = 59,566,310.61/8,853.96
  6. Step 6: Final answer
    x = 6,727.65

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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.