Home / 9,117.55-13,675.11-2,543.19

Finding the Fourth Proportional to 9,117.55, 13,675.11 and 2,543.19

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Solution

The fourth proportional to 9,117.55, 13,675.11 and 2,543.19 is: 3,814.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.55 : 13,675.11 = 2,543.19 : x
  2. Step 2: Convert to fraction form
    9,117.55/13,675.11 = 2,543.19/x
  3. Step 3: Cross multiply
    9,117.55x = 13,675.11 × 2,543.19
  4. Step 4: Simplify right side
    9,117.55x = 34,778,334.63
  5. Step 5: Solve for x
    x = 34,778,334.63/9,117.55
  6. Step 6: Final answer
    x = 3,814.44

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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.