Home / 7,817.22-10,786.56-4,460.16

Finding the Fourth Proportional to 7,817.22, 10,786.56 and 4,460.16

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Solution

The fourth proportional to 7,817.22, 10,786.56 and 4,460.16 is: 6,154.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.22 : 10,786.56 = 4,460.16 : x
  2. Step 2: Convert to fraction form
    7,817.22/10,786.56 = 4,460.16/x
  3. Step 3: Cross multiply
    7,817.22x = 10,786.56 × 4,460.16
  4. Step 4: Simplify right side
    7,817.22x = 48,109,783.45
  5. Step 5: Solve for x
    x = 48,109,783.45/7,817.22
  6. Step 6: Final answer
    x = 6,154.33

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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.