Home / 9,133.40-13,703.38-4,750.76

Finding the Fourth Proportional to 9,133.40, 13,703.38 and 4,750.76

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Solution

The fourth proportional to 9,133.40, 13,703.38 and 4,750.76 is: 7,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.40 : 13,703.38 = 4,750.76 : x
  2. Step 2: Convert to fraction form
    9,133.40/13,703.38 = 4,750.76/x
  3. Step 3: Cross multiply
    9,133.40x = 13,703.38 × 4,750.76
  4. Step 4: Simplify right side
    9,133.40x = 65,101,469.57
  5. Step 5: Solve for x
    x = 65,101,469.57/9,133.40
  6. Step 6: Final answer
    x = 7,127.85

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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.