Home / 11,346.92-15,654.45-7,038.02

Finding the Fourth Proportional to 11,346.92, 15,654.45 and 7,038.02

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Solution

The fourth proportional to 11,346.92, 15,654.45 and 7,038.02 is: 9,709.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.92 : 15,654.45 = 7,038.02 : x
  2. Step 2: Convert to fraction form
    11,346.92/15,654.45 = 7,038.02/x
  3. Step 3: Cross multiply
    11,346.92x = 15,654.45 × 7,038.02
  4. Step 4: Simplify right side
    11,346.92x = 110,176,253.92
  5. Step 5: Solve for x
    x = 110,176,253.92/11,346.92
  6. Step 6: Final answer
    x = 9,709.79

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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.