Home / 9,320.25-13,985.58-7,244.42

Finding the Fourth Proportional to 9,320.25, 13,985.58 and 7,244.42

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Solution

The fourth proportional to 9,320.25, 13,985.58 and 7,244.42 is: 10,870.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.25 : 13,985.58 = 7,244.42 : x
  2. Step 2: Convert to fraction form
    9,320.25/13,985.58 = 7,244.42/x
  3. Step 3: Cross multiply
    9,320.25x = 13,985.58 × 7,244.42
  4. Step 4: Simplify right side
    9,320.25x = 101,317,345.54
  5. Step 5: Solve for x
    x = 101,317,345.54/9,320.25
  6. Step 6: Final answer
    x = 10,870.67

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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.