Home / 7,938.51-10,955.49-4,401.48

Finding the Fourth Proportional to 7,938.51, 10,955.49 and 4,401.48

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Solution

The fourth proportional to 7,938.51, 10,955.49 and 4,401.48 is: 6,074.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.51 : 10,955.49 = 4,401.48 : x
  2. Step 2: Convert to fraction form
    7,938.51/10,955.49 = 4,401.48/x
  3. Step 3: Cross multiply
    7,938.51x = 10,955.49 × 4,401.48
  4. Step 4: Simplify right side
    7,938.51x = 48,220,370.13
  5. Step 5: Solve for x
    x = 48,220,370.13/7,938.51
  6. Step 6: Final answer
    x = 6,074.23

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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.