Home / 13,084.20-18,056.16-7,341.66

Finding the Fourth Proportional to 13,084.20, 18,056.16 and 7,341.66

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Solution

The fourth proportional to 13,084.20, 18,056.16 and 7,341.66 is: 10,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084.20 : 18,056.16 = 7,341.66 : x
  2. Step 2: Convert to fraction form
    13,084.20/18,056.16 = 7,341.66/x
  3. Step 3: Cross multiply
    13,084.20x = 18,056.16 × 7,341.66
  4. Step 4: Simplify right side
    13,084.20x = 132,562,187.63
  5. Step 5: Solve for x
    x = 132,562,187.63/13,084.20
  6. Step 6: Final answer
    x = 10,131.47

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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.