Home / 10,656.71-14,703.30-6,880.04

Finding the Fourth Proportional to 10,656.71, 14,703.30 and 6,880.04

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Solution

The fourth proportional to 10,656.71, 14,703.30 and 6,880.04 is: 9,492.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656.71 : 14,703.30 = 6,880.04 : x
  2. Step 2: Convert to fraction form
    10,656.71/14,703.30 = 6,880.04/x
  3. Step 3: Cross multiply
    10,656.71x = 14,703.30 × 6,880.04
  4. Step 4: Simplify right side
    10,656.71x = 101,159,218.62
  5. Step 5: Solve for x
    x = 101,159,218.62/10,656.71
  6. Step 6: Final answer
    x = 9,492.54

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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.