Home / 9,323.48-13,987.65-3,480.55

Finding the Fourth Proportional to 9,323.48, 13,987.65 and 3,480.55

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Solution

The fourth proportional to 9,323.48, 13,987.65 and 3,480.55 is: 5,221.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,323.48 : 13,987.65 = 3,480.55 : x
  2. Step 2: Convert to fraction form
    9,323.48/13,987.65 = 3,480.55/x
  3. Step 3: Cross multiply
    9,323.48x = 13,987.65 × 3,480.55
  4. Step 4: Simplify right side
    9,323.48x = 48,684,715.21
  5. Step 5: Solve for x
    x = 48,684,715.21/9,323.48
  6. Step 6: Final answer
    x = 5,221.73

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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.