Home / 10,637.96-14,680.71-6,161.30

Finding the Fourth Proportional to 10,637.96, 14,680.71 and 6,161.30

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Solution

The fourth proportional to 10,637.96, 14,680.71 and 6,161.30 is: 8,502.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637.96 : 14,680.71 = 6,161.30 : x
  2. Step 2: Convert to fraction form
    10,637.96/14,680.71 = 6,161.30/x
  3. Step 3: Cross multiply
    10,637.96x = 14,680.71 × 6,161.30
  4. Step 4: Simplify right side
    10,637.96x = 90,452,258.52
  5. Step 5: Solve for x
    x = 90,452,258.52/10,637.96
  6. Step 6: Final answer
    x = 8,502.78

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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.