Home / 9,564.68-13,199.17-5,315.76

Finding the Fourth Proportional to 9,564.68, 13,199.17 and 5,315.76

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Solution

The fourth proportional to 9,564.68, 13,199.17 and 5,315.76 is: 7,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,564.68 : 13,199.17 = 5,315.76 : x
  2. Step 2: Convert to fraction form
    9,564.68/13,199.17 = 5,315.76/x
  3. Step 3: Cross multiply
    9,564.68x = 13,199.17 × 5,315.76
  4. Step 4: Simplify right side
    9,564.68x = 70,163,616.60
  5. Step 5: Solve for x
    x = 70,163,616.60/9,564.68
  6. Step 6: Final answer
    x = 7,335.70

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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.