Home / 13,347.96-18,410.66-8,869.48

Finding the Fourth Proportional to 13,347.96, 18,410.66 and 8,869.48

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Solution

The fourth proportional to 13,347.96, 18,410.66 and 8,869.48 is: 12,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347.96 : 18,410.66 = 8,869.48 : x
  2. Step 2: Convert to fraction form
    13,347.96/18,410.66 = 8,869.48/x
  3. Step 3: Cross multiply
    13,347.96x = 18,410.66 × 8,869.48
  4. Step 4: Simplify right side
    13,347.96x = 163,292,980.66
  5. Step 5: Solve for x
    x = 163,292,980.66/13,347.96
  6. Step 6: Final answer
    x = 12,233.55

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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.