Home / 12,106.10-18,160.88-5,860.98

Finding the Fourth Proportional to 12,106.10, 18,160.88 and 5,860.98

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Solution

The fourth proportional to 12,106.10, 18,160.88 and 5,860.98 is: 8,792.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106.10 : 18,160.88 = 5,860.98 : x
  2. Step 2: Convert to fraction form
    12,106.10/18,160.88 = 5,860.98/x
  3. Step 3: Cross multiply
    12,106.10x = 18,160.88 × 5,860.98
  4. Step 4: Simplify right side
    12,106.10x = 106,440,525.16
  5. Step 5: Solve for x
    x = 106,440,525.16/12,106.10
  6. Step 6: Final answer
    x = 8,792.31

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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.