Home / 9,579.20-13,219.26-5,599.52

Finding the Fourth Proportional to 9,579.20, 13,219.26 and 5,599.52

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Solution

The fourth proportional to 9,579.20, 13,219.26 and 5,599.52 is: 7,727.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579.20 : 13,219.26 = 5,599.52 : x
  2. Step 2: Convert to fraction form
    9,579.20/13,219.26 = 5,599.52/x
  3. Step 3: Cross multiply
    9,579.20x = 13,219.26 × 5,599.52
  4. Step 4: Simplify right side
    9,579.20x = 74,021,510.76
  5. Step 5: Solve for x
    x = 74,021,510.76/9,579.20
  6. Step 6: Final answer
    x = 7,727.32

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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.