Home / 12,013.71-16,580.56-6,708.81

Finding the Fourth Proportional to 12,013.71, 16,580.56 and 6,708.81

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Solution

The fourth proportional to 12,013.71, 16,580.56 and 6,708.81 is: 9,259.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,013.71 : 16,580.56 = 6,708.81 : x
  2. Step 2: Convert to fraction form
    12,013.71/16,580.56 = 6,708.81/x
  3. Step 3: Cross multiply
    12,013.71x = 16,580.56 × 6,708.81
  4. Step 4: Simplify right side
    12,013.71x = 111,235,826.73
  5. Step 5: Solve for x
    x = 111,235,826.73/12,013.71
  6. Step 6: Final answer
    x = 9,259.07

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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.