Home / 7,174.23-10,777.54-4,254.45

Finding the Fourth Proportional to 7,174.23, 10,777.54 and 4,254.45

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Solution

The fourth proportional to 7,174.23, 10,777.54 and 4,254.45 is: 6,391.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,174.23 : 10,777.54 = 4,254.45 : x
  2. Step 2: Convert to fraction form
    7,174.23/10,777.54 = 4,254.45/x
  3. Step 3: Cross multiply
    7,174.23x = 10,777.54 × 4,254.45
  4. Step 4: Simplify right side
    7,174.23x = 45,852,461.98
  5. Step 5: Solve for x
    x = 45,852,461.98/7,174.23
  6. Step 6: Final answer
    x = 6,391.28

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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.