Home / 7,351.60-11,027.40-5,124.40

Finding the Fourth Proportional to 7,351.60, 11,027.40 and 5,124.40

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Solution

The fourth proportional to 7,351.60, 11,027.40 and 5,124.40 is: 7,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.60 : 11,027.40 = 5,124.40 : x
  2. Step 2: Convert to fraction form
    7,351.60/11,027.40 = 5,124.40/x
  3. Step 3: Cross multiply
    7,351.60x = 11,027.40 × 5,124.40
  4. Step 4: Simplify right side
    7,351.60x = 56,508,808.56
  5. Step 5: Solve for x
    x = 56,508,808.56/7,351.60
  6. Step 6: Final answer
    x = 7,686.60

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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.