Home / 8,943.01-12,347.13-6,109.36

Finding the Fourth Proportional to 8,943.01, 12,347.13 and 6,109.36

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Solution

The fourth proportional to 8,943.01, 12,347.13 and 6,109.36 is: 8,434.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.01 : 12,347.13 = 6,109.36 : x
  2. Step 2: Convert to fraction form
    8,943.01/12,347.13 = 6,109.36/x
  3. Step 3: Cross multiply
    8,943.01x = 12,347.13 × 6,109.36
  4. Step 4: Simplify right side
    8,943.01x = 75,433,054.18
  5. Step 5: Solve for x
    x = 75,433,054.18/8,943.01
  6. Step 6: Final answer
    x = 8,434.86

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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.