Home / 10,637.96-14,679.76-6,161.40

Finding the Fourth Proportional to 10,637.96, 14,679.76 and 6,161.40

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Solution

The fourth proportional to 10,637.96, 14,679.76 and 6,161.40 is: 8,502.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637.96 : 14,679.76 = 6,161.40 : x
  2. Step 2: Convert to fraction form
    10,637.96/14,679.76 = 6,161.40/x
  3. Step 3: Cross multiply
    10,637.96x = 14,679.76 × 6,161.40
  4. Step 4: Simplify right side
    10,637.96x = 90,447,873.26
  5. Step 5: Solve for x
    x = 90,447,873.26/10,637.96
  6. Step 6: Final answer
    x = 8,502.37

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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.