Home / 8,296.02-11,459.88-6,721.38

Finding the Fourth Proportional to 8,296.02, 11,459.88 and 6,721.38

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Solution

The fourth proportional to 8,296.02, 11,459.88 and 6,721.38 is: 9,284.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,296.02 : 11,459.88 = 6,721.38 : x
  2. Step 2: Convert to fraction form
    8,296.02/11,459.88 = 6,721.38/x
  3. Step 3: Cross multiply
    8,296.02x = 11,459.88 × 6,721.38
  4. Step 4: Simplify right side
    8,296.02x = 77,026,208.23
  5. Step 5: Solve for x
    x = 77,026,208.23/8,296.02
  6. Step 6: Final answer
    x = 9,284.72

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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.