Home / 9,867.63-13,617.32-5,675.88

Finding the Fourth Proportional to 9,867.63, 13,617.32 and 5,675.88

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Solution

The fourth proportional to 9,867.63, 13,617.32 and 5,675.88 is: 7,832.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.63 : 13,617.32 = 5,675.88 : x
  2. Step 2: Convert to fraction form
    9,867.63/13,617.32 = 5,675.88/x
  3. Step 3: Cross multiply
    9,867.63x = 13,617.32 × 5,675.88
  4. Step 4: Simplify right side
    9,867.63x = 77,290,274.24
  5. Step 5: Solve for x
    x = 77,290,274.24/9,867.63
  6. Step 6: Final answer
    x = 7,832.71

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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.