Home / 7,122.96-10,686.60-5,046.99

Finding the Fourth Proportional to 7,122.96, 10,686.60 and 5,046.99

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Solution

The fourth proportional to 7,122.96, 10,686.60 and 5,046.99 is: 7,572.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122.96 : 10,686.60 = 5,046.99 : x
  2. Step 2: Convert to fraction form
    7,122.96/10,686.60 = 5,046.99/x
  3. Step 3: Cross multiply
    7,122.96x = 10,686.60 × 5,046.99
  4. Step 4: Simplify right side
    7,122.96x = 53,935,123.26
  5. Step 5: Solve for x
    x = 53,935,123.26/7,122.96
  6. Step 6: Final answer
    x = 7,572.01

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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.