Home / 7,865.09-10,853.85-4,328.52

Finding the Fourth Proportional to 7,865.09, 10,853.85 and 4,328.52

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Solution

The fourth proportional to 7,865.09, 10,853.85 and 4,328.52 is: 5,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.09 : 10,853.85 = 4,328.52 : x
  2. Step 2: Convert to fraction form
    7,865.09/10,853.85 = 4,328.52/x
  3. Step 3: Cross multiply
    7,865.09x = 10,853.85 × 4,328.52
  4. Step 4: Simplify right side
    7,865.09x = 46,981,106.80
  5. Step 5: Solve for x
    x = 46,981,106.80/7,865.09
  6. Step 6: Final answer
    x = 5,973.38

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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.