Home / 9,428.68-14,143.08-2,503.12

Finding the Fourth Proportional to 9,428.68, 14,143.08 and 2,503.12

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Solution

The fourth proportional to 9,428.68, 14,143.08 and 2,503.12 is: 3,754.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.68 : 14,143.08 = 2,503.12 : x
  2. Step 2: Convert to fraction form
    9,428.68/14,143.08 = 2,503.12/x
  3. Step 3: Cross multiply
    9,428.68x = 14,143.08 × 2,503.12
  4. Step 4: Simplify right side
    9,428.68x = 35,401,826.41
  5. Step 5: Solve for x
    x = 35,401,826.41/9,428.68
  6. Step 6: Final answer
    x = 3,754.70

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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.