Home / 7,117.16-10,675.52-3,221.57

Finding the Fourth Proportional to 7,117.16, 10,675.52 and 3,221.57

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Solution

The fourth proportional to 7,117.16, 10,675.52 and 3,221.57 is: 4,832.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.16 : 10,675.52 = 3,221.57 : x
  2. Step 2: Convert to fraction form
    7,117.16/10,675.52 = 3,221.57/x
  3. Step 3: Cross multiply
    7,117.16x = 10,675.52 × 3,221.57
  4. Step 4: Simplify right side
    7,117.16x = 34,391,945.55
  5. Step 5: Solve for x
    x = 34,391,945.55/7,117.16
  6. Step 6: Final answer
    x = 4,832.26

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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.