Home / 7,107.44-10,715.28-6,606.32

Finding the Fourth Proportional to 7,107.44, 10,715.28 and 6,606.32

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Solution

The fourth proportional to 7,107.44, 10,715.28 and 6,606.32 is: 9,959.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.44 : 10,715.28 = 6,606.32 : x
  2. Step 2: Convert to fraction form
    7,107.44/10,715.28 = 6,606.32/x
  3. Step 3: Cross multiply
    7,107.44x = 10,715.28 × 6,606.32
  4. Step 4: Simplify right side
    7,107.44x = 70,788,568.57
  5. Step 5: Solve for x
    x = 70,788,568.57/7,107.44
  6. Step 6: Final answer
    x = 9,959.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.