Home / 6,931.74-9,568.08-5,518.02

Finding the Fourth Proportional to 6,931.74, 9,568.08 and 5,518.02

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Solution

The fourth proportional to 6,931.74, 9,568.08 and 5,518.02 is: 7,616.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.74 : 9,568.08 = 5,518.02 : x
  2. Step 2: Convert to fraction form
    6,931.74/9,568.08 = 5,518.02/x
  3. Step 3: Cross multiply
    6,931.74x = 9,568.08 × 5,518.02
  4. Step 4: Simplify right side
    6,931.74x = 52,796,856.80
  5. Step 5: Solve for x
    x = 52,796,856.80/6,931.74
  6. Step 6: Final answer
    x = 7,616.68

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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.