Home / 9,415.74-12,994.83-5,224.26

Finding the Fourth Proportional to 9,415.74, 12,994.83 and 5,224.26

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Solution

The fourth proportional to 9,415.74, 12,994.83 and 5,224.26 is: 7,210.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415.74 : 12,994.83 = 5,224.26 : x
  2. Step 2: Convert to fraction form
    9,415.74/12,994.83 = 5,224.26/x
  3. Step 3: Cross multiply
    9,415.74x = 12,994.83 × 5,224.26
  4. Step 4: Simplify right side
    9,415.74x = 67,888,370.58
  5. Step 5: Solve for x
    x = 67,888,370.58/9,415.74
  6. Step 6: Final answer
    x = 7,210.09

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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.