Home / 13,053.64-18,009.06-8,337.16

Finding the Fourth Proportional to 13,053.64, 18,009.06 and 8,337.16

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Solution

The fourth proportional to 13,053.64, 18,009.06 and 8,337.16 is: 11,502.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053.64 : 18,009.06 = 8,337.16 : x
  2. Step 2: Convert to fraction form
    13,053.64/18,009.06 = 8,337.16/x
  3. Step 3: Cross multiply
    13,053.64x = 18,009.06 × 8,337.16
  4. Step 4: Simplify right side
    13,053.64x = 150,144,414.67
  5. Step 5: Solve for x
    x = 150,144,414.67/13,053.64
  6. Step 6: Final answer
    x = 11,502.11

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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.