Home / 11,583.57-15,984.77-7,339.17

Finding the Fourth Proportional to 11,583.57, 15,984.77 and 7,339.17

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Solution

The fourth proportional to 11,583.57, 15,984.77 and 7,339.17 is: 10,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,583.57 : 15,984.77 = 7,339.17 : x
  2. Step 2: Convert to fraction form
    11,583.57/15,984.77 = 7,339.17/x
  3. Step 3: Cross multiply
    11,583.57x = 15,984.77 × 7,339.17
  4. Step 4: Simplify right side
    11,583.57x = 117,314,907.75
  5. Step 5: Solve for x
    x = 117,314,907.75/11,583.57
  6. Step 6: Final answer
    x = 10,127.70

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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.