Home / 8,468.52-11,683.84-5,112.40

Finding the Fourth Proportional to 8,468.52, 11,683.84 and 5,112.40

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Solution

The fourth proportional to 8,468.52, 11,683.84 and 5,112.40 is: 7,053.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.52 : 11,683.84 = 5,112.40 : x
  2. Step 2: Convert to fraction form
    8,468.52/11,683.84 = 5,112.40/x
  3. Step 3: Cross multiply
    8,468.52x = 11,683.84 × 5,112.40
  4. Step 4: Simplify right side
    8,468.52x = 59,732,463.62
  5. Step 5: Solve for x
    x = 59,732,463.62/8,468.52
  6. Step 6: Final answer
    x = 7,053.47

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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.