Home / 7,829.85-10,805.87-4,293.74

Finding the Fourth Proportional to 7,829.85, 10,805.87 and 4,293.74

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Solution

The fourth proportional to 7,829.85, 10,805.87 and 4,293.74 is: 5,925.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.85 : 10,805.87 = 4,293.74 : x
  2. Step 2: Convert to fraction form
    7,829.85/10,805.87 = 4,293.74/x
  3. Step 3: Cross multiply
    7,829.85x = 10,805.87 × 4,293.74
  4. Step 4: Simplify right side
    7,829.85x = 46,397,574.79
  5. Step 5: Solve for x
    x = 46,397,574.79/7,829.85
  6. Step 6: Final answer
    x = 5,925.73

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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.