Home / 7,800.69-10,767.09-4,445.27

Finding the Fourth Proportional to 7,800.69, 10,767.09 and 4,445.27

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Solution

The fourth proportional to 7,800.69, 10,767.09 and 4,445.27 is: 6,135.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800.69 : 10,767.09 = 4,445.27 : x
  2. Step 2: Convert to fraction form
    7,800.69/10,767.09 = 4,445.27/x
  3. Step 3: Cross multiply
    7,800.69x = 10,767.09 × 4,445.27
  4. Step 4: Simplify right side
    7,800.69x = 47,862,622.16
  5. Step 5: Solve for x
    x = 47,862,622.16/7,800.69
  6. Step 6: Final answer
    x = 6,135.69

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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.