Home / 10,055.90-15,077.77-4,508.21

Finding the Fourth Proportional to 10,055.90, 15,077.77 and 4,508.21

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Solution

The fourth proportional to 10,055.90, 15,077.77 and 4,508.21 is: 6,759.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055.90 : 15,077.77 = 4,508.21 : x
  2. Step 2: Convert to fraction form
    10,055.90/15,077.77 = 4,508.21/x
  3. Step 3: Cross multiply
    10,055.90x = 15,077.77 × 4,508.21
  4. Step 4: Simplify right side
    10,055.90x = 67,973,753.49
  5. Step 5: Solve for x
    x = 67,973,753.49/10,055.90
  6. Step 6: Final answer
    x = 6,759.59

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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.