Home / 9,677.20-13,343.26-7,315.24

Finding the Fourth Proportional to 9,677.20, 13,343.26 and 7,315.24

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Solution

The fourth proportional to 9,677.20, 13,343.26 and 7,315.24 is: 10,086.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,677.20 : 13,343.26 = 7,315.24 : x
  2. Step 2: Convert to fraction form
    9,677.20/13,343.26 = 7,315.24/x
  3. Step 3: Cross multiply
    9,677.20x = 13,343.26 × 7,315.24
  4. Step 4: Simplify right side
    9,677.20x = 97,609,149.28
  5. Step 5: Solve for x
    x = 97,609,149.28/9,677.20
  6. Step 6: Final answer
    x = 10,086.51

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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.