Home / 9,499.28-13,107.84-5,307.44

Finding the Fourth Proportional to 9,499.28, 13,107.84 and 5,307.44

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Solution

The fourth proportional to 9,499.28, 13,107.84 and 5,307.44 is: 7,323.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,499.28 : 13,107.84 = 5,307.44 : x
  2. Step 2: Convert to fraction form
    9,499.28/13,107.84 = 5,307.44/x
  3. Step 3: Cross multiply
    9,499.28x = 13,107.84 × 5,307.44
  4. Step 4: Simplify right side
    9,499.28x = 69,569,074.33
  5. Step 5: Solve for x
    x = 69,569,074.33/9,499.28
  6. Step 6: Final answer
    x = 7,323.62

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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.