Home / 7,939.82-10,955.76-4,403

Finding the Fourth Proportional to 7,939.82, 10,955.76 and 4,403

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Solution

The fourth proportional to 7,939.82, 10,955.76 and 4,403 is: 6,075.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.82 : 10,955.76 = 4,403 : x
  2. Step 2: Convert to fraction form
    7,939.82/10,955.76 = 4,403/x
  3. Step 3: Cross multiply
    7,939.82x = 10,955.76 × 4,403
  4. Step 4: Simplify right side
    7,939.82x = 48,238,211.28
  5. Step 5: Solve for x
    x = 48,238,211.28/7,939.82
  6. Step 6: Final answer
    x = 6,075.48

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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.