Home / 11,842.35-16,345.26-6,809.50

Finding the Fourth Proportional to 11,842.35, 16,345.26 and 6,809.50

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Solution

The fourth proportional to 11,842.35, 16,345.26 and 6,809.50 is: 9,398.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,842.35 : 16,345.26 = 6,809.50 : x
  2. Step 2: Convert to fraction form
    11,842.35/16,345.26 = 6,809.50/x
  3. Step 3: Cross multiply
    11,842.35x = 16,345.26 × 6,809.50
  4. Step 4: Simplify right side
    11,842.35x = 111,303,068.40
  5. Step 5: Solve for x
    x = 111,303,068.40/11,842.35
  6. Step 6: Final answer
    x = 9,398.73

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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.