Home / 8,557.62-11,810.31-5,199.66

Finding the Fourth Proportional to 8,557.62, 11,810.31 and 5,199.66

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Solution

The fourth proportional to 8,557.62, 11,810.31 and 5,199.66 is: 7,176.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.62 : 11,810.31 = 5,199.66 : x
  2. Step 2: Convert to fraction form
    8,557.62/11,810.31 = 5,199.66/x
  3. Step 3: Cross multiply
    8,557.62x = 11,810.31 × 5,199.66
  4. Step 4: Simplify right side
    8,557.62x = 61,409,596.49
  5. Step 5: Solve for x
    x = 61,409,596.49/8,557.62
  6. Step 6: Final answer
    x = 7,176.01

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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.