Home / 10,884.28-15,015.99-7,106.24

Finding the Fourth Proportional to 10,884.28, 15,015.99 and 7,106.24

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Solution

The fourth proportional to 10,884.28, 15,015.99 and 7,106.24 is: 9,803.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,884.28 : 15,015.99 = 7,106.24 : x
  2. Step 2: Convert to fraction form
    10,884.28/15,015.99 = 7,106.24/x
  3. Step 3: Cross multiply
    10,884.28x = 15,015.99 × 7,106.24
  4. Step 4: Simplify right side
    10,884.28x = 106,707,228.78
  5. Step 5: Solve for x
    x = 106,707,228.78/10,884.28
  6. Step 6: Final answer
    x = 9,803.79

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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.