Home / 9,775.18-13,488.60-5,795.56

Finding the Fourth Proportional to 9,775.18, 13,488.60 and 5,795.56

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Solution

The fourth proportional to 9,775.18, 13,488.60 and 5,795.56 is: 7,997.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,775.18 : 13,488.60 = 5,795.56 : x
  2. Step 2: Convert to fraction form
    9,775.18/13,488.60 = 5,795.56/x
  3. Step 3: Cross multiply
    9,775.18x = 13,488.60 × 5,795.56
  4. Step 4: Simplify right side
    9,775.18x = 78,173,990.62
  5. Step 5: Solve for x
    x = 78,173,990.62/9,775.18
  6. Step 6: Final answer
    x = 7,997.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.