Home / 9,907.47-13,673.70-6,131.84

Finding the Fourth Proportional to 9,907.47, 13,673.70 and 6,131.84

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Solution

The fourth proportional to 9,907.47, 13,673.70 and 6,131.84 is: 8,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907.47 : 13,673.70 = 6,131.84 : x
  2. Step 2: Convert to fraction form
    9,907.47/13,673.70 = 6,131.84/x
  3. Step 3: Cross multiply
    9,907.47x = 13,673.70 × 6,131.84
  4. Step 4: Simplify right side
    9,907.47x = 83,844,974.79
  5. Step 5: Solve for x
    x = 83,844,974.79/9,907.47
  6. Step 6: Final answer
    x = 8,462.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.