Home / 7,505.09-10,356.97-4,148.13

Finding the Fourth Proportional to 7,505.09, 10,356.97 and 4,148.13

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Solution

The fourth proportional to 7,505.09, 10,356.97 and 4,148.13 is: 5,724.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.09 : 10,356.97 = 4,148.13 : x
  2. Step 2: Convert to fraction form
    7,505.09/10,356.97 = 4,148.13/x
  3. Step 3: Cross multiply
    7,505.09x = 10,356.97 × 4,148.13
  4. Step 4: Simplify right side
    7,505.09x = 42,962,037.23
  5. Step 5: Solve for x
    x = 42,962,037.23/7,505.09
  6. Step 6: Final answer
    x = 5,724.39

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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.