Home / 9,559.87-13,192.16-5,311.20

Finding the Fourth Proportional to 9,559.87, 13,192.16 and 5,311.20

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Solution

The fourth proportional to 9,559.87, 13,192.16 and 5,311.20 is: 7,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,559.87 : 13,192.16 = 5,311.20 : x
  2. Step 2: Convert to fraction form
    9,559.87/13,192.16 = 5,311.20/x
  3. Step 3: Cross multiply
    9,559.87x = 13,192.16 × 5,311.20
  4. Step 4: Simplify right side
    9,559.87x = 70,066,200.19
  5. Step 5: Solve for x
    x = 70,066,200.19/9,559.87
  6. Step 6: Final answer
    x = 7,329.20

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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.