Home / 9,060.40-13,590.42-5,156.44

Finding the Fourth Proportional to 9,060.40, 13,590.42 and 5,156.44

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Solution

The fourth proportional to 9,060.40, 13,590.42 and 5,156.44 is: 7,734.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,060.40 : 13,590.42 = 5,156.44 : x
  2. Step 2: Convert to fraction form
    9,060.40/13,590.42 = 5,156.44/x
  3. Step 3: Cross multiply
    9,060.40x = 13,590.42 × 5,156.44
  4. Step 4: Simplify right side
    9,060.40x = 70,078,131.99
  5. Step 5: Solve for x
    x = 70,078,131.99/9,060.40
  6. Step 6: Final answer
    x = 7,734.55

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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.