Home / 7,816.46-10,787.74-4,458.50

Finding the Fourth Proportional to 7,816.46, 10,787.74 and 4,458.50

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Solution

The fourth proportional to 7,816.46, 10,787.74 and 4,458.50 is: 6,153.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.46 : 10,787.74 = 4,458.50 : x
  2. Step 2: Convert to fraction form
    7,816.46/10,787.74 = 4,458.50/x
  3. Step 3: Cross multiply
    7,816.46x = 10,787.74 × 4,458.50
  4. Step 4: Simplify right side
    7,816.46x = 48,097,073.71
  5. Step 5: Solve for x
    x = 48,097,073.71/7,816.46
  6. Step 6: Final answer
    x = 6,153.31

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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.