Home / 10,228.72-14,100.60-7,235.32

Finding the Fourth Proportional to 10,228.72, 14,100.60 and 7,235.32

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Solution

The fourth proportional to 10,228.72, 14,100.60 and 7,235.32 is: 9,974.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.72 : 14,100.60 = 7,235.32 : x
  2. Step 2: Convert to fraction form
    10,228.72/14,100.60 = 7,235.32/x
  3. Step 3: Cross multiply
    10,228.72x = 14,100.60 × 7,235.32
  4. Step 4: Simplify right side
    10,228.72x = 102,022,353.19
  5. Step 5: Solve for x
    x = 102,022,353.19/10,228.72
  6. Step 6: Final answer
    x = 9,974.11

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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.