Home / 10,068.35-15,087.12-4,221.77

Finding the Fourth Proportional to 10,068.35, 15,087.12 and 4,221.77

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Solution

The fourth proportional to 10,068.35, 15,087.12 and 4,221.77 is: 6,326.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,068.35 : 15,087.12 = 4,221.77 : x
  2. Step 2: Convert to fraction form
    10,068.35/15,087.12 = 4,221.77/x
  3. Step 3: Cross multiply
    10,068.35x = 15,087.12 × 4,221.77
  4. Step 4: Simplify right side
    10,068.35x = 63,694,275.17
  5. Step 5: Solve for x
    x = 63,694,275.17/10,068.35
  6. Step 6: Final answer
    x = 6,326.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.