Home / 11,592.89-15,998.40-7,114.40

Finding the Fourth Proportional to 11,592.89, 15,998.40 and 7,114.40

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Solution

The fourth proportional to 11,592.89, 15,998.40 and 7,114.40 is: 9,818.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,592.89 : 15,998.40 = 7,114.40 : x
  2. Step 2: Convert to fraction form
    11,592.89/15,998.40 = 7,114.40/x
  3. Step 3: Cross multiply
    11,592.89x = 15,998.40 × 7,114.40
  4. Step 4: Simplify right side
    11,592.89x = 113,818,936.97
  5. Step 5: Solve for x
    x = 113,818,936.97/11,592.89
  6. Step 6: Final answer
    x = 9,818.00

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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.