Home / 7,816.65-10,785.93-4,793.11

Finding the Fourth Proportional to 7,816.65, 10,785.93 and 4,793.11

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Solution

The fourth proportional to 7,816.65, 10,785.93 and 4,793.11 is: 6,613.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.65 : 10,785.93 = 4,793.11 : x
  2. Step 2: Convert to fraction form
    7,816.65/10,785.93 = 4,793.11/x
  3. Step 3: Cross multiply
    7,816.65x = 10,785.93 × 4,793.11
  4. Step 4: Simplify right side
    7,816.65x = 51,698,148.94
  5. Step 5: Solve for x
    x = 51,698,148.94/7,816.65
  6. Step 6: Final answer
    x = 6,613.85

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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.