Home / 11,877.93-17,812.04-4,478.67

Finding the Fourth Proportional to 11,877.93, 17,812.04 and 4,478.67

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Solution

The fourth proportional to 11,877.93, 17,812.04 and 4,478.67 is: 6,716.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877.93 : 17,812.04 = 4,478.67 : x
  2. Step 2: Convert to fraction form
    11,877.93/17,812.04 = 4,478.67/x
  3. Step 3: Cross multiply
    11,877.93x = 17,812.04 × 4,478.67
  4. Step 4: Simplify right side
    11,877.93x = 79,774,226.79
  5. Step 5: Solve for x
    x = 79,774,226.79/11,877.93
  6. Step 6: Final answer
    x = 6,716.17

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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.