Home / 10,669.56-14,717.34-7,680.66

Finding the Fourth Proportional to 10,669.56, 14,717.34 and 7,680.66

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Solution

The fourth proportional to 10,669.56, 14,717.34 and 7,680.66 is: 10,594.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.56 : 14,717.34 = 7,680.66 : x
  2. Step 2: Convert to fraction form
    10,669.56/14,717.34 = 7,680.66/x
  3. Step 3: Cross multiply
    10,669.56x = 14,717.34 × 7,680.66
  4. Step 4: Simplify right side
    10,669.56x = 113,038,884.64
  5. Step 5: Solve for x
    x = 113,038,884.64/10,669.56
  6. Step 6: Final answer
    x = 10,594.52

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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.