Home / 7,365.90-11,036.70-6,126.60

Finding the Fourth Proportional to 7,365.90, 11,036.70 and 6,126.60

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Solution

The fourth proportional to 7,365.90, 11,036.70 and 6,126.60 is: 9,179.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,365.90 : 11,036.70 = 6,126.60 : x
  2. Step 2: Convert to fraction form
    7,365.90/11,036.70 = 6,126.60/x
  3. Step 3: Cross multiply
    7,365.90x = 11,036.70 × 6,126.60
  4. Step 4: Simplify right side
    7,365.90x = 67,617,446.22
  5. Step 5: Solve for x
    x = 67,617,446.22/7,365.90
  6. Step 6: Final answer
    x = 9,179.79

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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.