Home / 11,753.65-17,630.51-2,988.56

Finding the Fourth Proportional to 11,753.65, 17,630.51 and 2,988.56

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Solution

The fourth proportional to 11,753.65, 17,630.51 and 2,988.56 is: 4,482.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,753.65 : 17,630.51 = 2,988.56 : x
  2. Step 2: Convert to fraction form
    11,753.65/17,630.51 = 2,988.56/x
  3. Step 3: Cross multiply
    11,753.65x = 17,630.51 × 2,988.56
  4. Step 4: Simplify right side
    11,753.65x = 52,689,888.51
  5. Step 5: Solve for x
    x = 52,689,888.51/11,753.65
  6. Step 6: Final answer
    x = 4,482.85

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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.