Home / 8,872.16-13,307.01-5,176.13

Finding the Fourth Proportional to 8,872.16, 13,307.01 and 5,176.13

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Solution

The fourth proportional to 8,872.16, 13,307.01 and 5,176.13 is: 7,763.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.16 : 13,307.01 = 5,176.13 : x
  2. Step 2: Convert to fraction form
    8,872.16/13,307.01 = 5,176.13/x
  3. Step 3: Cross multiply
    8,872.16x = 13,307.01 × 5,176.13
  4. Step 4: Simplify right side
    8,872.16x = 68,878,747.14
  5. Step 5: Solve for x
    x = 68,878,747.14/8,872.16
  6. Step 6: Final answer
    x = 7,763.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.