Home / 9,009.72-12,433.77-5,031.54

Finding the Fourth Proportional to 9,009.72, 12,433.77 and 5,031.54

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Solution

The fourth proportional to 9,009.72, 12,433.77 and 5,031.54 is: 6,943.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.72 : 12,433.77 = 5,031.54 : x
  2. Step 2: Convert to fraction form
    9,009.72/12,433.77 = 5,031.54/x
  3. Step 3: Cross multiply
    9,009.72x = 12,433.77 × 5,031.54
  4. Step 4: Simplify right side
    9,009.72x = 62,561,011.11
  5. Step 5: Solve for x
    x = 62,561,011.11/9,009.72
  6. Step 6: Final answer
    x = 6,943.72

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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.