Home / 9,331.90-14,000.40-2,758.08

Finding the Fourth Proportional to 9,331.90, 14,000.40 and 2,758.08

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Solution

The fourth proportional to 9,331.90, 14,000.40 and 2,758.08 is: 4,137.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.90 : 14,000.40 = 2,758.08 : x
  2. Step 2: Convert to fraction form
    9,331.90/14,000.40 = 2,758.08/x
  3. Step 3: Cross multiply
    9,331.90x = 14,000.40 × 2,758.08
  4. Step 4: Simplify right side
    9,331.90x = 38,614,223.23
  5. Step 5: Solve for x
    x = 38,614,223.23/9,331.90
  6. Step 6: Final answer
    x = 4,137.87

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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.