Home / 8,754.25-12,081.08-4,775.74

Finding the Fourth Proportional to 8,754.25, 12,081.08 and 4,775.74

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Solution

The fourth proportional to 8,754.25, 12,081.08 and 4,775.74 is: 6,590.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.25 : 12,081.08 = 4,775.74 : x
  2. Step 2: Convert to fraction form
    8,754.25/12,081.08 = 4,775.74/x
  3. Step 3: Cross multiply
    8,754.25x = 12,081.08 × 4,775.74
  4. Step 4: Simplify right side
    8,754.25x = 57,696,097.00
  5. Step 5: Solve for x
    x = 57,696,097.00/8,754.25
  6. Step 6: Final answer
    x = 6,590.64

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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.