Home / 10,656.08-14,708.28-6,679.28

Finding the Fourth Proportional to 10,656.08, 14,708.28 and 6,679.28

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Solution

The fourth proportional to 10,656.08, 14,708.28 and 6,679.28 is: 9,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656.08 : 14,708.28 = 6,679.28 : x
  2. Step 2: Convert to fraction form
    10,656.08/14,708.28 = 6,679.28/x
  3. Step 3: Cross multiply
    10,656.08x = 14,708.28 × 6,679.28
  4. Step 4: Simplify right side
    10,656.08x = 98,240,720.44
  5. Step 5: Solve for x
    x = 98,240,720.44/10,656.08
  6. Step 6: Final answer
    x = 9,219.22

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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.