Home / 11,594.94-15,988.91-6,878.31

Finding the Fourth Proportional to 11,594.94, 15,988.91 and 6,878.31

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Solution

The fourth proportional to 11,594.94, 15,988.91 and 6,878.31 is: 9,484.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,594.94 : 15,988.91 = 6,878.31 : x
  2. Step 2: Convert to fraction form
    11,594.94/15,988.91 = 6,878.31/x
  3. Step 3: Cross multiply
    11,594.94x = 15,988.91 × 6,878.31
  4. Step 4: Simplify right side
    11,594.94x = 109,976,679.54
  5. Step 5: Solve for x
    x = 109,976,679.54/11,594.94
  6. Step 6: Final answer
    x = 9,484.89

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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.