Home / 11,370.15-15,689.03-6,332.76

Finding the Fourth Proportional to 11,370.15, 15,689.03 and 6,332.76

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Solution

The fourth proportional to 11,370.15, 15,689.03 and 6,332.76 is: 8,738.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.15 : 15,689.03 = 6,332.76 : x
  2. Step 2: Convert to fraction form
    11,370.15/15,689.03 = 6,332.76/x
  3. Step 3: Cross multiply
    11,370.15x = 15,689.03 × 6,332.76
  4. Step 4: Simplify right side
    11,370.15x = 99,354,829.96
  5. Step 5: Solve for x
    x = 99,354,829.96/11,370.15
  6. Step 6: Final answer
    x = 8,738.22

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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.