Home / 7,854.90-10,838.85-4,668.33

Finding the Fourth Proportional to 7,854.90, 10,838.85 and 4,668.33

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Solution

The fourth proportional to 7,854.90, 10,838.85 and 4,668.33 is: 6,441.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.90 : 10,838.85 = 4,668.33 : x
  2. Step 2: Convert to fraction form
    7,854.90/10,838.85 = 4,668.33/x
  3. Step 3: Cross multiply
    7,854.90x = 10,838.85 × 4,668.33
  4. Step 4: Simplify right side
    7,854.90x = 50,599,328.62
  5. Step 5: Solve for x
    x = 50,599,328.62/7,854.90
  6. Step 6: Final answer
    x = 6,441.75

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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.