Home / 11,984.68-16,532.10-7,561

Finding the Fourth Proportional to 11,984.68, 16,532.10 and 7,561

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Solution

The fourth proportional to 11,984.68, 16,532.10 and 7,561 is: 10,429.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.68 : 16,532.10 = 7,561 : x
  2. Step 2: Convert to fraction form
    11,984.68/16,532.10 = 7,561/x
  3. Step 3: Cross multiply
    11,984.68x = 16,532.10 × 7,561
  4. Step 4: Simplify right side
    11,984.68x = 124,999,208.10
  5. Step 5: Solve for x
    x = 124,999,208.10/11,984.68
  6. Step 6: Final answer
    x = 10,429.92

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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.