Home / 7,860.81-11,776.23-4,050.57

Finding the Fourth Proportional to 7,860.81, 11,776.23 and 4,050.57

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Solution

The fourth proportional to 7,860.81, 11,776.23 and 4,050.57 is: 6,068.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.81 : 11,776.23 = 4,050.57 : x
  2. Step 2: Convert to fraction form
    7,860.81/11,776.23 = 4,050.57/x
  3. Step 3: Cross multiply
    7,860.81x = 11,776.23 × 4,050.57
  4. Step 4: Simplify right side
    7,860.81x = 47,700,443.95
  5. Step 5: Solve for x
    x = 47,700,443.95/7,860.81
  6. Step 6: Final answer
    x = 6,068.13

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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.