Home / 7,416.36-11,123.56-2,798.76

Finding the Fourth Proportional to 7,416.36, 11,123.56 and 2,798.76

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Solution

The fourth proportional to 7,416.36, 11,123.56 and 2,798.76 is: 4,197.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.36 : 11,123.56 = 2,798.76 : x
  2. Step 2: Convert to fraction form
    7,416.36/11,123.56 = 2,798.76/x
  3. Step 3: Cross multiply
    7,416.36x = 11,123.56 × 2,798.76
  4. Step 4: Simplify right side
    7,416.36x = 31,132,174.79
  5. Step 5: Solve for x
    x = 31,132,174.79/7,416.36
  6. Step 6: Final answer
    x = 4,197.77

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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.