Home / 10,123.52-15,181.44-4,856.96

Finding the Fourth Proportional to 10,123.52, 15,181.44 and 4,856.96

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Solution

The fourth proportional to 10,123.52, 15,181.44 and 4,856.96 is: 7,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123.52 : 15,181.44 = 4,856.96 : x
  2. Step 2: Convert to fraction form
    10,123.52/15,181.44 = 4,856.96/x
  3. Step 3: Cross multiply
    10,123.52x = 15,181.44 × 4,856.96
  4. Step 4: Simplify right side
    10,123.52x = 73,735,646.82
  5. Step 5: Solve for x
    x = 73,735,646.82/10,123.52
  6. Step 6: Final answer
    x = 7,283.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.