Home / 8,955.43-13,438.41-5,015.59

Finding the Fourth Proportional to 8,955.43, 13,438.41 and 5,015.59

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Solution

The fourth proportional to 8,955.43, 13,438.41 and 5,015.59 is: 7,526.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.43 : 13,438.41 = 5,015.59 : x
  2. Step 2: Convert to fraction form
    8,955.43/13,438.41 = 5,015.59/x
  3. Step 3: Cross multiply
    8,955.43x = 13,438.41 × 5,015.59
  4. Step 4: Simplify right side
    8,955.43x = 67,401,554.81
  5. Step 5: Solve for x
    x = 67,401,554.81/8,955.43
  6. Step 6: Final answer
    x = 7,526.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.