Home / 8,935.65-12,325.61-5,753.09

Finding the Fourth Proportional to 8,935.65, 12,325.61 and 5,753.09

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Solution

The fourth proportional to 8,935.65, 12,325.61 and 5,753.09 is: 7,935.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.65 : 12,325.61 = 5,753.09 : x
  2. Step 2: Convert to fraction form
    8,935.65/12,325.61 = 5,753.09/x
  3. Step 3: Cross multiply
    8,935.65x = 12,325.61 × 5,753.09
  4. Step 4: Simplify right side
    8,935.65x = 70,910,253.24
  5. Step 5: Solve for x
    x = 70,910,253.24/8,935.65
  6. Step 6: Final answer
    x = 7,935.66

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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.