Home / 10,672.06-14,720.79-7,683.16

Finding the Fourth Proportional to 10,672.06, 14,720.79 and 7,683.16

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Solution

The fourth proportional to 10,672.06, 14,720.79 and 7,683.16 is: 10,597.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,672.06 : 14,720.79 = 7,683.16 : x
  2. Step 2: Convert to fraction form
    10,672.06/14,720.79 = 7,683.16/x
  3. Step 3: Cross multiply
    10,672.06x = 14,720.79 × 7,683.16
  4. Step 4: Simplify right side
    10,672.06x = 113,102,184.90
  5. Step 5: Solve for x
    x = 113,102,184.90/10,672.06
  6. Step 6: Final answer
    x = 10,597.97

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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.