Home / 11,708.56-16,155.61-6,927.40

Finding the Fourth Proportional to 11,708.56, 16,155.61 and 6,927.40

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Solution

The fourth proportional to 11,708.56, 16,155.61 and 6,927.40 is: 9,558.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.56 : 16,155.61 = 6,927.40 : x
  2. Step 2: Convert to fraction form
    11,708.56/16,155.61 = 6,927.40/x
  3. Step 3: Cross multiply
    11,708.56x = 16,155.61 × 6,927.40
  4. Step 4: Simplify right side
    11,708.56x = 111,916,372.71
  5. Step 5: Solve for x
    x = 111,916,372.71/11,708.56
  6. Step 6: Final answer
    x = 9,558.51

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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.