Home / 11,707.63-16,156.95-6,672.62

Finding the Fourth Proportional to 11,707.63, 16,156.95 and 6,672.62

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Solution

The fourth proportional to 11,707.63, 16,156.95 and 6,672.62 is: 9,208.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.63 : 16,156.95 = 6,672.62 : x
  2. Step 2: Convert to fraction form
    11,707.63/16,156.95 = 6,672.62/x
  3. Step 3: Cross multiply
    11,707.63x = 16,156.95 × 6,672.62
  4. Step 4: Simplify right side
    11,707.63x = 107,809,187.71
  5. Step 5: Solve for x
    x = 107,809,187.71/11,707.63
  6. Step 6: Final answer
    x = 9,208.46

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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.