Home / 9,298.51-12,821.10-6,936.55

Finding the Fourth Proportional to 9,298.51, 12,821.10 and 6,936.55

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Solution

The fourth proportional to 9,298.51, 12,821.10 and 6,936.55 is: 9,564.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,298.51 : 12,821.10 = 6,936.55 : x
  2. Step 2: Convert to fraction form
    9,298.51/12,821.10 = 6,936.55/x
  3. Step 3: Cross multiply
    9,298.51x = 12,821.10 × 6,936.55
  4. Step 4: Simplify right side
    9,298.51x = 88,934,201.21
  5. Step 5: Solve for x
    x = 88,934,201.21/9,298.51
  6. Step 6: Final answer
    x = 9,564.35

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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.