Home / 7,440.46-10,268.31-4,918.15

Finding the Fourth Proportional to 7,440.46, 10,268.31 and 4,918.15

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Solution

The fourth proportional to 7,440.46, 10,268.31 and 4,918.15 is: 6,787.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.46 : 10,268.31 = 4,918.15 : x
  2. Step 2: Convert to fraction form
    7,440.46/10,268.31 = 4,918.15/x
  3. Step 3: Cross multiply
    7,440.46x = 10,268.31 × 4,918.15
  4. Step 4: Simplify right side
    7,440.46x = 50,501,088.83
  5. Step 5: Solve for x
    x = 50,501,088.83/7,440.46
  6. Step 6: Final answer
    x = 6,787.36

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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.