Home / 9,323.72-13,988.01-3,480.38

Finding the Fourth Proportional to 9,323.72, 13,988.01 and 3,480.38

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Solution

The fourth proportional to 9,323.72, 13,988.01 and 3,480.38 is: 5,221.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,323.72 : 13,988.01 = 3,480.38 : x
  2. Step 2: Convert to fraction form
    9,323.72/13,988.01 = 3,480.38/x
  3. Step 3: Cross multiply
    9,323.72x = 13,988.01 × 3,480.38
  4. Step 4: Simplify right side
    9,323.72x = 48,683,590.24
  5. Step 5: Solve for x
    x = 48,683,590.24/9,323.72
  6. Step 6: Final answer
    x = 5,221.48

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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.