Home / 7,431.03-11,140.20-3,045.69

Finding the Fourth Proportional to 7,431.03, 11,140.20 and 3,045.69

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Solution

The fourth proportional to 7,431.03, 11,140.20 and 3,045.69 is: 4,565.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.03 : 11,140.20 = 3,045.69 : x
  2. Step 2: Convert to fraction form
    7,431.03/11,140.20 = 3,045.69/x
  3. Step 3: Cross multiply
    7,431.03x = 11,140.20 × 3,045.69
  4. Step 4: Simplify right side
    7,431.03x = 33,929,595.74
  5. Step 5: Solve for x
    x = 33,929,595.74/7,431.03
  6. Step 6: Final answer
    x = 4,565.93

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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.