Home / 13,300.16-18,345.51-8,193.06

Finding the Fourth Proportional to 13,300.16, 18,345.51 and 8,193.06

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Solution

The fourth proportional to 13,300.16, 18,345.51 and 8,193.06 is: 11,301.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300.16 : 18,345.51 = 8,193.06 : x
  2. Step 2: Convert to fraction form
    13,300.16/18,345.51 = 8,193.06/x
  3. Step 3: Cross multiply
    13,300.16x = 18,345.51 × 8,193.06
  4. Step 4: Simplify right side
    13,300.16x = 150,305,864.16
  5. Step 5: Solve for x
    x = 150,305,864.16/13,300.16
  6. Step 6: Final answer
    x = 11,301.06

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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.