Home / 6,976.24-9,628.74-5,460.78

Finding the Fourth Proportional to 6,976.24, 9,628.74 and 5,460.78

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Solution

The fourth proportional to 6,976.24, 9,628.74 and 5,460.78 is: 7,537.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,976.24 : 9,628.74 = 5,460.78 : x
  2. Step 2: Convert to fraction form
    6,976.24/9,628.74 = 5,460.78/x
  3. Step 3: Cross multiply
    6,976.24x = 9,628.74 × 5,460.78
  4. Step 4: Simplify right side
    6,976.24x = 52,580,430.82
  5. Step 5: Solve for x
    x = 52,580,430.82/6,976.24
  6. Step 6: Final answer
    x = 7,537.07

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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.