Home / 7,610.10-11,417.45-5,393.21

Finding the Fourth Proportional to 7,610.10, 11,417.45 and 5,393.21

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Solution

The fourth proportional to 7,610.10, 11,417.45 and 5,393.21 is: 8,091.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,610.10 : 11,417.45 = 5,393.21 : x
  2. Step 2: Convert to fraction form
    7,610.10/11,417.45 = 5,393.21/x
  3. Step 3: Cross multiply
    7,610.10x = 11,417.45 × 5,393.21
  4. Step 4: Simplify right side
    7,610.10x = 61,576,752.37
  5. Step 5: Solve for x
    x = 61,576,752.37/7,610.10
  6. Step 6: Final answer
    x = 8,091.46

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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.