Home / 9,301.68-12,828.89-6,118.24

Finding the Fourth Proportional to 9,301.68, 12,828.89 and 6,118.24

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Solution

The fourth proportional to 9,301.68, 12,828.89 and 6,118.24 is: 8,438.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,301.68 : 12,828.89 = 6,118.24 : x
  2. Step 2: Convert to fraction form
    9,301.68/12,828.89 = 6,118.24/x
  3. Step 3: Cross multiply
    9,301.68x = 12,828.89 × 6,118.24
  4. Step 4: Simplify right side
    9,301.68x = 78,490,259.29
  5. Step 5: Solve for x
    x = 78,490,259.29/9,301.68
  6. Step 6: Final answer
    x = 8,438.29

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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.