Home / 8,578.50-11,830.23-5,596.62

Finding the Fourth Proportional to 8,578.50, 11,830.23 and 5,596.62

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Solution

The fourth proportional to 8,578.50, 11,830.23 and 5,596.62 is: 7,718.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578.50 : 11,830.23 = 5,596.62 : x
  2. Step 2: Convert to fraction form
    8,578.50/11,830.23 = 5,596.62/x
  3. Step 3: Cross multiply
    8,578.50x = 11,830.23 × 5,596.62
  4. Step 4: Simplify right side
    8,578.50x = 66,209,301.82
  5. Step 5: Solve for x
    x = 66,209,301.82/8,578.50
  6. Step 6: Final answer
    x = 7,718.05

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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.