Home / 7,816.41-10,787.67-4,458.45

Finding the Fourth Proportional to 7,816.41, 10,787.67 and 4,458.45

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Solution

The fourth proportional to 7,816.41, 10,787.67 and 4,458.45 is: 6,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.41 : 10,787.67 = 4,458.45 : x
  2. Step 2: Convert to fraction form
    7,816.41/10,787.67 = 4,458.45/x
  3. Step 3: Cross multiply
    7,816.41x = 10,787.67 × 4,458.45
  4. Step 4: Simplify right side
    7,816.41x = 48,096,287.31
  5. Step 5: Solve for x
    x = 48,096,287.31/7,816.41
  6. Step 6: Final answer
    x = 6,153.25

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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.