Home / 7,579.34-11,369.65-2,315.53

Finding the Fourth Proportional to 7,579.34, 11,369.65 and 2,315.53

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Solution

The fourth proportional to 7,579.34, 11,369.65 and 2,315.53 is: 3,473.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.34 : 11,369.65 = 2,315.53 : x
  2. Step 2: Convert to fraction form
    7,579.34/11,369.65 = 2,315.53/x
  3. Step 3: Cross multiply
    7,579.34x = 11,369.65 × 2,315.53
  4. Step 4: Simplify right side
    7,579.34x = 26,326,765.66
  5. Step 5: Solve for x
    x = 26,326,765.66/7,579.34
  6. Step 6: Final answer
    x = 3,473.49

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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.