Home / 8,801.65-12,145.12-5,263.57

Finding the Fourth Proportional to 8,801.65, 12,145.12 and 5,263.57

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Solution

The fourth proportional to 8,801.65, 12,145.12 and 5,263.57 is: 7,263.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801.65 : 12,145.12 = 5,263.57 : x
  2. Step 2: Convert to fraction form
    8,801.65/12,145.12 = 5,263.57/x
  3. Step 3: Cross multiply
    8,801.65x = 12,145.12 × 5,263.57
  4. Step 4: Simplify right side
    8,801.65x = 63,926,689.28
  5. Step 5: Solve for x
    x = 63,926,689.28/8,801.65
  6. Step 6: Final answer
    x = 7,263.03

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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.