Home / 11,551.48-17,312.86-5,304.87

Finding the Fourth Proportional to 11,551.48, 17,312.86 and 5,304.87

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Solution

The fourth proportional to 11,551.48, 17,312.86 and 5,304.87 is: 7,950.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.48 : 17,312.86 = 5,304.87 : x
  2. Step 2: Convert to fraction form
    11,551.48/17,312.86 = 5,304.87/x
  3. Step 3: Cross multiply
    11,551.48x = 17,312.86 × 5,304.87
  4. Step 4: Simplify right side
    11,551.48x = 91,842,471.63
  5. Step 5: Solve for x
    x = 91,842,471.63/11,551.48
  6. Step 6: Final answer
    x = 7,950.71

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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.