Home / 7,415.19-11,135.51-6,584.13

Finding the Fourth Proportional to 7,415.19, 11,135.51 and 6,584.13

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Solution

The fourth proportional to 7,415.19, 11,135.51 and 6,584.13 is: 9,887.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.19 : 11,135.51 = 6,584.13 : x
  2. Step 2: Convert to fraction form
    7,415.19/11,135.51 = 6,584.13/x
  3. Step 3: Cross multiply
    7,415.19x = 11,135.51 × 6,584.13
  4. Step 4: Simplify right side
    7,415.19x = 73,317,612.54
  5. Step 5: Solve for x
    x = 73,317,612.54/7,415.19
  6. Step 6: Final answer
    x = 9,887.49

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1.5x scale

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.