Home / 9,559.85-13,192.74-5,311.18

Finding the Fourth Proportional to 9,559.85, 13,192.74 and 5,311.18

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Solution

The fourth proportional to 9,559.85, 13,192.74 and 5,311.18 is: 7,329.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,559.85 : 13,192.74 = 5,311.18 : x
  2. Step 2: Convert to fraction form
    9,559.85/13,192.74 = 5,311.18/x
  3. Step 3: Cross multiply
    9,559.85x = 13,192.74 × 5,311.18
  4. Step 4: Simplify right side
    9,559.85x = 70,069,029.47
  5. Step 5: Solve for x
    x = 70,069,029.47/9,559.85
  6. Step 6: Final answer
    x = 7,329.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.