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Finding the Fourth Proportional to 10,123.95, 15,263.02 and 9,410.44

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Solution

The fourth proportional to 10,123.95, 15,263.02 and 9,410.44 is: 14,187.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123.95 : 15,263.02 = 9,410.44 : x
  2. Step 2: Convert to fraction form
    10,123.95/15,263.02 = 9,410.44/x
  3. Step 3: Cross multiply
    10,123.95x = 15,263.02 × 9,410.44
  4. Step 4: Simplify right side
    10,123.95x = 143,631,610.56
  5. Step 5: Solve for x
    x = 143,631,610.56/10,123.95
  6. Step 6: Final answer
    x = 14,187.31

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.