Home / 7,828.46-10,804.38-4,845.25

Finding the Fourth Proportional to 7,828.46, 10,804.38 and 4,845.25

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Solution

The fourth proportional to 7,828.46, 10,804.38 and 4,845.25 is: 6,687.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.46 : 10,804.38 = 4,845.25 : x
  2. Step 2: Convert to fraction form
    7,828.46/10,804.38 = 4,845.25/x
  3. Step 3: Cross multiply
    7,828.46x = 10,804.38 × 4,845.25
  4. Step 4: Simplify right side
    7,828.46x = 52,349,922.20
  5. Step 5: Solve for x
    x = 52,349,922.20/7,828.46
  6. Step 6: Final answer
    x = 6,687.13

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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.