Home / 11,330.85-15,637.32-6,854.79

Finding the Fourth Proportional to 11,330.85, 15,637.32 and 6,854.79

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Solution

The fourth proportional to 11,330.85, 15,637.32 and 6,854.79 is: 9,460.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.85 : 15,637.32 = 6,854.79 : x
  2. Step 2: Convert to fraction form
    11,330.85/15,637.32 = 6,854.79/x
  3. Step 3: Cross multiply
    11,330.85x = 15,637.32 × 6,854.79
  4. Step 4: Simplify right side
    11,330.85x = 107,190,544.76
  5. Step 5: Solve for x
    x = 107,190,544.76/11,330.85
  6. Step 6: Final answer
    x = 9,460.06

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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.