Home / 11,025.28-15,210.89-7,250.48

Finding the Fourth Proportional to 11,025.28, 15,210.89 and 7,250.48

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Solution

The fourth proportional to 11,025.28, 15,210.89 and 7,250.48 is: 10,003.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,025.28 : 15,210.89 = 7,250.48 : x
  2. Step 2: Convert to fraction form
    11,025.28/15,210.89 = 7,250.48/x
  3. Step 3: Cross multiply
    11,025.28x = 15,210.89 × 7,250.48
  4. Step 4: Simplify right side
    11,025.28x = 110,286,225.65
  5. Step 5: Solve for x
    x = 110,286,225.65/11,025.28
  6. Step 6: Final answer
    x = 10,003.03

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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.