Home / 9,144.93-13,715.28-2,903.76

Finding the Fourth Proportional to 9,144.93, 13,715.28 and 2,903.76

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Solution

The fourth proportional to 9,144.93, 13,715.28 and 2,903.76 is: 4,354.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,144.93 : 13,715.28 = 2,903.76 : x
  2. Step 2: Convert to fraction form
    9,144.93/13,715.28 = 2,903.76/x
  3. Step 3: Cross multiply
    9,144.93x = 13,715.28 × 2,903.76
  4. Step 4: Simplify right side
    9,144.93x = 39,825,881.45
  5. Step 5: Solve for x
    x = 39,825,881.45/9,144.93
  6. Step 6: Final answer
    x = 4,354.97

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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.