Home / 11,117.82-15,340.59-6,337.51

Finding the Fourth Proportional to 11,117.82, 15,340.59 and 6,337.51

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Solution

The fourth proportional to 11,117.82, 15,340.59 and 6,337.51 is: 8,744.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.82 : 15,340.59 = 6,337.51 : x
  2. Step 2: Convert to fraction form
    11,117.82/15,340.59 = 6,337.51/x
  3. Step 3: Cross multiply
    11,117.82x = 15,340.59 × 6,337.51
  4. Step 4: Simplify right side
    11,117.82x = 97,221,104.18
  5. Step 5: Solve for x
    x = 97,221,104.18/11,117.82
  6. Step 6: Final answer
    x = 8,744.62

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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.