Home / 10,943.80-15,102.44-5,975.80

Finding the Fourth Proportional to 10,943.80, 15,102.44 and 5,975.80

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Solution

The fourth proportional to 10,943.80, 15,102.44 and 5,975.80 is: 8,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943.80 : 15,102.44 = 5,975.80 : x
  2. Step 2: Convert to fraction form
    10,943.80/15,102.44 = 5,975.80/x
  3. Step 3: Cross multiply
    10,943.80x = 15,102.44 × 5,975.80
  4. Step 4: Simplify right side
    10,943.80x = 90,249,160.95
  5. Step 5: Solve for x
    x = 90,249,160.95/10,943.80
  6. Step 6: Final answer
    x = 8,246.60

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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.