Home / 7,430.64-11,145.80-2,236.51

Finding the Fourth Proportional to 7,430.64, 11,145.80 and 2,236.51

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Solution

The fourth proportional to 7,430.64, 11,145.80 and 2,236.51 is: 3,354.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.64 : 11,145.80 = 2,236.51 : x
  2. Step 2: Convert to fraction form
    7,430.64/11,145.80 = 2,236.51/x
  3. Step 3: Cross multiply
    7,430.64x = 11,145.80 × 2,236.51
  4. Step 4: Simplify right side
    7,430.64x = 24,927,712.68
  5. Step 5: Solve for x
    x = 24,927,712.68/7,430.64
  6. Step 6: Final answer
    x = 3,354.72

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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.