Home / 7,834.91-10,811.48-4,477.05

Finding the Fourth Proportional to 7,834.91, 10,811.48 and 4,477.05

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Solution

The fourth proportional to 7,834.91, 10,811.48 and 4,477.05 is: 6,177.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.91 : 10,811.48 = 4,477.05 : x
  2. Step 2: Convert to fraction form
    7,834.91/10,811.48 = 4,477.05/x
  3. Step 3: Cross multiply
    7,834.91x = 10,811.48 × 4,477.05
  4. Step 4: Simplify right side
    7,834.91x = 48,403,514.15
  5. Step 5: Solve for x
    x = 48,403,514.15/7,834.91
  6. Step 6: Final answer
    x = 6,177.93

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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.