Home / 6,688.52-10,078.77-5,544.22

Finding the Fourth Proportional to 6,688.52, 10,078.77 and 5,544.22

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Solution

The fourth proportional to 6,688.52, 10,078.77 and 5,544.22 is: 8,354.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.52 : 10,078.77 = 5,544.22 : x
  2. Step 2: Convert to fraction form
    6,688.52/10,078.77 = 5,544.22/x
  3. Step 3: Cross multiply
    6,688.52x = 10,078.77 × 5,544.22
  4. Step 4: Simplify right side
    6,688.52x = 55,878,918.21
  5. Step 5: Solve for x
    x = 55,878,918.21/6,688.52
  6. Step 6: Final answer
    x = 8,354.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.