Home / 8,927.16-12,325.68-5,570.64

Finding the Fourth Proportional to 8,927.16, 12,325.68 and 5,570.64

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Solution

The fourth proportional to 8,927.16, 12,325.68 and 5,570.64 is: 7,691.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.16 : 12,325.68 = 5,570.64 : x
  2. Step 2: Convert to fraction form
    8,927.16/12,325.68 = 5,570.64/x
  3. Step 3: Cross multiply
    8,927.16x = 12,325.68 × 5,570.64
  4. Step 4: Simplify right side
    8,927.16x = 68,661,926.04
  5. Step 5: Solve for x
    x = 68,661,926.04/8,927.16
  6. Step 6: Final answer
    x = 7,691.35

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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.