Home / 9,439.60-14,135.10-7,495.60

Finding the Fourth Proportional to 9,439.60, 14,135.10 and 7,495.60

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Solution

The fourth proportional to 9,439.60, 14,135.10 and 7,495.60 is: 11,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.60 : 14,135.10 = 7,495.60 : x
  2. Step 2: Convert to fraction form
    9,439.60/14,135.10 = 7,495.60/x
  3. Step 3: Cross multiply
    9,439.60x = 14,135.10 × 7,495.60
  4. Step 4: Simplify right side
    9,439.60x = 105,951,055.56
  5. Step 5: Solve for x
    x = 105,951,055.56/9,439.60
  6. Step 6: Final answer
    x = 11,224.10

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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.