Home / 11,583.12-15,984.58-6,277.92

Finding the Fourth Proportional to 11,583.12, 15,984.58 and 6,277.92

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Solution

The fourth proportional to 11,583.12, 15,984.58 and 6,277.92 is: 8,663.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,583.12 : 15,984.58 = 6,277.92 : x
  2. Step 2: Convert to fraction form
    11,583.12/15,984.58 = 6,277.92/x
  3. Step 3: Cross multiply
    11,583.12x = 15,984.58 × 6,277.92
  4. Step 4: Simplify right side
    11,583.12x = 100,349,914.47
  5. Step 5: Solve for x
    x = 100,349,914.47/11,583.12
  6. Step 6: Final answer
    x = 8,663.46

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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.