Home / 8,798.51-13,185.14-5,289.95

Finding the Fourth Proportional to 8,798.51, 13,185.14 and 5,289.95

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Solution

The fourth proportional to 8,798.51, 13,185.14 and 5,289.95 is: 7,927.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.51 : 13,185.14 = 5,289.95 : x
  2. Step 2: Convert to fraction form
    8,798.51/13,185.14 = 5,289.95/x
  3. Step 3: Cross multiply
    8,798.51x = 13,185.14 × 5,289.95
  4. Step 4: Simplify right side
    8,798.51x = 69,748,704.89
  5. Step 5: Solve for x
    x = 69,748,704.89/8,798.51
  6. Step 6: Final answer
    x = 7,927.33

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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.