Home / 9,309.08-12,846.90-5,117.48

Finding the Fourth Proportional to 9,309.08, 12,846.90 and 5,117.48

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Solution

The fourth proportional to 9,309.08, 12,846.90 and 5,117.48 is: 7,062.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.08 : 12,846.90 = 5,117.48 : x
  2. Step 2: Convert to fraction form
    9,309.08/12,846.90 = 5,117.48/x
  3. Step 3: Cross multiply
    9,309.08x = 12,846.90 × 5,117.48
  4. Step 4: Simplify right side
    9,309.08x = 65,743,753.81
  5. Step 5: Solve for x
    x = 65,743,753.81/9,309.08
  6. Step 6: Final answer
    x = 7,062.33

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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.