Home / 10,969.43-15,134.34-6,716.05

Finding the Fourth Proportional to 10,969.43, 15,134.34 and 6,716.05

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Solution

The fourth proportional to 10,969.43, 15,134.34 and 6,716.05 is: 9,266.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,969.43 : 15,134.34 = 6,716.05 : x
  2. Step 2: Convert to fraction form
    10,969.43/15,134.34 = 6,716.05/x
  3. Step 3: Cross multiply
    10,969.43x = 15,134.34 × 6,716.05
  4. Step 4: Simplify right side
    10,969.43x = 101,642,984.16
  5. Step 5: Solve for x
    x = 101,642,984.16/10,969.43
  6. Step 6: Final answer
    x = 9,266.02

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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.