Home / 10,998.95-15,180.75-6,525.18

Finding the Fourth Proportional to 10,998.95, 15,180.75 and 6,525.18

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Solution

The fourth proportional to 10,998.95, 15,180.75 and 6,525.18 is: 9,006.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.95 : 15,180.75 = 6,525.18 : x
  2. Step 2: Convert to fraction form
    10,998.95/15,180.75 = 6,525.18/x
  3. Step 3: Cross multiply
    10,998.95x = 15,180.75 × 6,525.18
  4. Step 4: Simplify right side
    10,998.95x = 99,057,126.29
  5. Step 5: Solve for x
    x = 99,057,126.29/10,998.95
  6. Step 6: Final answer
    x = 9,006.06

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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.