Home / 12,259.13-16,917.74-6,670.13

Finding the Fourth Proportional to 12,259.13, 16,917.74 and 6,670.13

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Solution

The fourth proportional to 12,259.13, 16,917.74 and 6,670.13 is: 9,204.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259.13 : 16,917.74 = 6,670.13 : x
  2. Step 2: Convert to fraction form
    12,259.13/16,917.74 = 6,670.13/x
  3. Step 3: Cross multiply
    12,259.13x = 16,917.74 × 6,670.13
  4. Step 4: Simplify right side
    12,259.13x = 112,843,407.17
  5. Step 5: Solve for x
    x = 112,843,407.17/12,259.13
  6. Step 6: Final answer
    x = 9,204.85

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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.