Home / 10,925.22-15,064.85-7,382.28

Finding the Fourth Proportional to 10,925.22, 15,064.85 and 7,382.28

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Solution

The fourth proportional to 10,925.22, 15,064.85 and 7,382.28 is: 10,179.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.22 : 15,064.85 = 7,382.28 : x
  2. Step 2: Convert to fraction form
    10,925.22/15,064.85 = 7,382.28/x
  3. Step 3: Cross multiply
    10,925.22x = 15,064.85 × 7,382.28
  4. Step 4: Simplify right side
    10,925.22x = 111,212,903.95
  5. Step 5: Solve for x
    x = 111,212,903.95/10,925.22
  6. Step 6: Final answer
    x = 10,179.47

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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.