Home / 7,938.14-10,955.02-4,401.36

Finding the Fourth Proportional to 7,938.14, 10,955.02 and 4,401.36

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Solution

The fourth proportional to 7,938.14, 10,955.02 and 4,401.36 is: 6,074.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.14 : 10,955.02 = 4,401.36 : x
  2. Step 2: Convert to fraction form
    7,938.14/10,955.02 = 4,401.36/x
  3. Step 3: Cross multiply
    7,938.14x = 10,955.02 × 4,401.36
  4. Step 4: Simplify right side
    7,938.14x = 48,216,986.83
  5. Step 5: Solve for x
    x = 48,216,986.83/7,938.14
  6. Step 6: Final answer
    x = 6,074.09

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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.