Home / 11,526.65-17,290.88-5,680.07

Finding the Fourth Proportional to 11,526.65, 17,290.88 and 5,680.07

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Solution

The fourth proportional to 11,526.65, 17,290.88 and 5,680.07 is: 8,520.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,526.65 : 17,290.88 = 5,680.07 : x
  2. Step 2: Convert to fraction form
    11,526.65/17,290.88 = 5,680.07/x
  3. Step 3: Cross multiply
    11,526.65x = 17,290.88 × 5,680.07
  4. Step 4: Simplify right side
    11,526.65x = 98,213,408.76
  5. Step 5: Solve for x
    x = 98,213,408.76/11,526.65
  6. Step 6: Final answer
    x = 8,520.55

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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.