Home / 9,767.85-13,479.62-5,291.62

Finding the Fourth Proportional to 9,767.85, 13,479.62 and 5,291.62

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Solution

The fourth proportional to 9,767.85, 13,479.62 and 5,291.62 is: 7,302.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,767.85 : 13,479.62 = 5,291.62 : x
  2. Step 2: Convert to fraction form
    9,767.85/13,479.62 = 5,291.62/x
  3. Step 3: Cross multiply
    9,767.85x = 13,479.62 × 5,291.62
  4. Step 4: Simplify right side
    9,767.85x = 71,328,966.63
  5. Step 5: Solve for x
    x = 71,328,966.63/9,767.85
  6. Step 6: Final answer
    x = 7,302.43

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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.