Home / 15,860.10-23,791.77-5,470.50

Finding the Fourth Proportional to 15,860.10, 23,791.77 and 5,470.50

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Solution

The fourth proportional to 15,860.10, 23,791.77 and 5,470.50 is: 8,206.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,860.10 : 23,791.77 = 5,470.50 : x
  2. Step 2: Convert to fraction form
    15,860.10/23,791.77 = 5,470.50/x
  3. Step 3: Cross multiply
    15,860.10x = 23,791.77 × 5,470.50
  4. Step 4: Simplify right side
    15,860.10x = 130,152,877.79
  5. Step 5: Solve for x
    x = 130,152,877.79/15,860.10
  6. Step 6: Final answer
    x = 8,206.31

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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.