Home / 10,497.39-14,485.74-5,781.67

Finding the Fourth Proportional to 10,497.39, 14,485.74 and 5,781.67

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Solution

The fourth proportional to 10,497.39, 14,485.74 and 5,781.67 is: 7,978.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,497.39 : 14,485.74 = 5,781.67 : x
  2. Step 2: Convert to fraction form
    10,497.39/14,485.74 = 5,781.67/x
  3. Step 3: Cross multiply
    10,497.39x = 14,485.74 × 5,781.67
  4. Step 4: Simplify right side
    10,497.39x = 83,751,791.97
  5. Step 5: Solve for x
    x = 83,751,791.97/10,497.39
  6. Step 6: Final answer
    x = 7,978.34

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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.