Home / 8,670.23-11,964.84-4,691.25

Finding the Fourth Proportional to 8,670.23, 11,964.84 and 4,691.25

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Solution

The fourth proportional to 8,670.23, 11,964.84 and 4,691.25 is: 6,473.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670.23 : 11,964.84 = 4,691.25 : x
  2. Step 2: Convert to fraction form
    8,670.23/11,964.84 = 4,691.25/x
  3. Step 3: Cross multiply
    8,670.23x = 11,964.84 × 4,691.25
  4. Step 4: Simplify right side
    8,670.23x = 56,130,055.65
  5. Step 5: Solve for x
    x = 56,130,055.65/8,670.23
  6. Step 6: Final answer
    x = 6,473.88

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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.