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Finding the Fourth Proportional to 10,959.03, 15,123.60 and 6,243.35

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Solution

The fourth proportional to 10,959.03, 15,123.60 and 6,243.35 is: 8,615.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959.03 : 15,123.60 = 6,243.35 : x
  2. Step 2: Convert to fraction form
    10,959.03/15,123.60 = 6,243.35/x
  3. Step 3: Cross multiply
    10,959.03x = 15,123.60 × 6,243.35
  4. Step 4: Simplify right side
    10,959.03x = 94,421,852.44
  5. Step 5: Solve for x
    x = 94,421,852.44/10,959.03
  6. Step 6: Final answer
    x = 8,615.90

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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.