Home / 12,110.69-18,158.61-4,706.51

Finding the Fourth Proportional to 12,110.69, 18,158.61 and 4,706.51

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Solution

The fourth proportional to 12,110.69, 18,158.61 and 4,706.51 is: 7,056.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.69 : 18,158.61 = 4,706.51 : x
  2. Step 2: Convert to fraction form
    12,110.69/18,158.61 = 4,706.51/x
  3. Step 3: Cross multiply
    12,110.69x = 18,158.61 × 4,706.51
  4. Step 4: Simplify right side
    12,110.69x = 85,463,565.23
  5. Step 5: Solve for x
    x = 85,463,565.23/12,110.69
  6. Step 6: Final answer
    x = 7,056.87

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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.