Home / 9,412.19-12,986.65-5,633.92

Finding the Fourth Proportional to 9,412.19, 12,986.65 and 5,633.92

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Solution

The fourth proportional to 9,412.19, 12,986.65 and 5,633.92 is: 7,773.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,412.19 : 12,986.65 = 5,633.92 : x
  2. Step 2: Convert to fraction form
    9,412.19/12,986.65 = 5,633.92/x
  3. Step 3: Cross multiply
    9,412.19x = 12,986.65 × 5,633.92
  4. Step 4: Simplify right side
    9,412.19x = 73,165,719.00
  5. Step 5: Solve for x
    x = 73,165,719.00/9,412.19
  6. Step 6: Final answer
    x = 7,773.51

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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.