Home / 9,408.74-12,959.10-7,011.02

Finding the Fourth Proportional to 9,408.74, 12,959.10 and 7,011.02

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Solution

The fourth proportional to 9,408.74, 12,959.10 and 7,011.02 is: 9,656.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,408.74 : 12,959.10 = 7,011.02 : x
  2. Step 2: Convert to fraction form
    9,408.74/12,959.10 = 7,011.02/x
  3. Step 3: Cross multiply
    9,408.74x = 12,959.10 × 7,011.02
  4. Step 4: Simplify right side
    9,408.74x = 90,856,541.68
  5. Step 5: Solve for x
    x = 90,856,541.68/9,408.74
  6. Step 6: Final answer
    x = 9,656.62

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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.