Home / 11,594.72-15,988.61-6,878.09

Finding the Fourth Proportional to 11,594.72, 15,988.61 and 6,878.09

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Solution

The fourth proportional to 11,594.72, 15,988.61 and 6,878.09 is: 9,484.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,594.72 : 15,988.61 = 6,878.09 : x
  2. Step 2: Convert to fraction form
    11,594.72/15,988.61 = 6,878.09/x
  3. Step 3: Cross multiply
    11,594.72x = 15,988.61 × 6,878.09
  4. Step 4: Simplify right side
    11,594.72x = 109,971,098.55
  5. Step 5: Solve for x
    x = 109,971,098.55/11,594.72
  6. Step 6: Final answer
    x = 9,484.58

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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.