Home / 10,789.50-14,889.90-6,009.66

Finding the Fourth Proportional to 10,789.50, 14,889.90 and 6,009.66

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Solution

The fourth proportional to 10,789.50, 14,889.90 and 6,009.66 is: 8,293.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789.50 : 14,889.90 = 6,009.66 : x
  2. Step 2: Convert to fraction form
    10,789.50/14,889.90 = 6,009.66/x
  3. Step 3: Cross multiply
    10,789.50x = 14,889.90 × 6,009.66
  4. Step 4: Simplify right side
    10,789.50x = 89,483,236.43
  5. Step 5: Solve for x
    x = 89,483,236.43/10,789.50
  6. Step 6: Final answer
    x = 8,293.55

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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.