Home / 8,053.40-11,117.58-5,399.84

Finding the Fourth Proportional to 8,053.40, 11,117.58 and 5,399.84

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Solution

The fourth proportional to 8,053.40, 11,117.58 and 5,399.84 is: 7,454.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053.40 : 11,117.58 = 5,399.84 : x
  2. Step 2: Convert to fraction form
    8,053.40/11,117.58 = 5,399.84/x
  3. Step 3: Cross multiply
    8,053.40x = 11,117.58 × 5,399.84
  4. Step 4: Simplify right side
    8,053.40x = 60,033,153.19
  5. Step 5: Solve for x
    x = 60,033,153.19/8,053.40
  6. Step 6: Final answer
    x = 7,454.39

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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.