Home / 10,876.19-15,009.45-6,160.47

Finding the Fourth Proportional to 10,876.19, 15,009.45 and 6,160.47

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Solution

The fourth proportional to 10,876.19, 15,009.45 and 6,160.47 is: 8,501.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.19 : 15,009.45 = 6,160.47 : x
  2. Step 2: Convert to fraction form
    10,876.19/15,009.45 = 6,160.47/x
  3. Step 3: Cross multiply
    10,876.19x = 15,009.45 × 6,160.47
  4. Step 4: Simplify right side
    10,876.19x = 92,465,266.44
  5. Step 5: Solve for x
    x = 92,465,266.44/10,876.19
  6. Step 6: Final answer
    x = 8,501.63

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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.