Home / 7,430.16-11,145.78-2,500.32

Finding the Fourth Proportional to 7,430.16, 11,145.78 and 2,500.32

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Solution

The fourth proportional to 7,430.16, 11,145.78 and 2,500.32 is: 3,750.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.16 : 11,145.78 = 2,500.32 : x
  2. Step 2: Convert to fraction form
    7,430.16/11,145.78 = 2,500.32/x
  3. Step 3: Cross multiply
    7,430.16x = 11,145.78 × 2,500.32
  4. Step 4: Simplify right side
    7,430.16x = 27,868,016.65
  5. Step 5: Solve for x
    x = 27,868,016.65/7,430.16
  6. Step 6: Final answer
    x = 3,750.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.