Home / 6,647.34-9,173.36-3,663.11

Finding the Fourth Proportional to 6,647.34, 9,173.36 and 3,663.11

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Solution

The fourth proportional to 6,647.34, 9,173.36 and 3,663.11 is: 5,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.34 : 9,173.36 = 3,663.11 : x
  2. Step 2: Convert to fraction form
    6,647.34/9,173.36 = 3,663.11/x
  3. Step 3: Cross multiply
    6,647.34x = 9,173.36 × 3,663.11
  4. Step 4: Simplify right side
    6,647.34x = 33,602,962.57
  5. Step 5: Solve for x
    x = 33,602,962.57/6,647.34
  6. Step 6: Final answer
    x = 5,055.10

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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.