Home / 7,480.49-10,313.47-6,131.13

Finding the Fourth Proportional to 7,480.49, 10,313.47 and 6,131.13

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Solution

The fourth proportional to 7,480.49, 10,313.47 and 6,131.13 is: 8,453.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.49 : 10,313.47 = 6,131.13 : x
  2. Step 2: Convert to fraction form
    7,480.49/10,313.47 = 6,131.13/x
  3. Step 3: Cross multiply
    7,480.49x = 10,313.47 × 6,131.13
  4. Step 4: Simplify right side
    7,480.49x = 63,233,194.31
  5. Step 5: Solve for x
    x = 63,233,194.31/7,480.49
  6. Step 6: Final answer
    x = 8,453.09

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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.