Home / 10,077.57-13,904.91-5,600.40

Finding the Fourth Proportional to 10,077.57, 13,904.91 and 5,600.40

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Solution

The fourth proportional to 10,077.57, 13,904.91 and 5,600.40 is: 7,727.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.57 : 13,904.91 = 5,600.40 : x
  2. Step 2: Convert to fraction form
    10,077.57/13,904.91 = 5,600.40/x
  3. Step 3: Cross multiply
    10,077.57x = 13,904.91 × 5,600.40
  4. Step 4: Simplify right side
    10,077.57x = 77,873,057.96
  5. Step 5: Solve for x
    x = 77,873,057.96/10,077.57
  6. Step 6: Final answer
    x = 7,727.36

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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.