Home / 13,117.94-18,098.31-8,011.59

Finding the Fourth Proportional to 13,117.94, 18,098.31 and 8,011.59

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Solution

The fourth proportional to 13,117.94, 18,098.31 and 8,011.59 is: 11,053.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.94 : 18,098.31 = 8,011.59 : x
  2. Step 2: Convert to fraction form
    13,117.94/18,098.31 = 8,011.59/x
  3. Step 3: Cross multiply
    13,117.94x = 18,098.31 × 8,011.59
  4. Step 4: Simplify right side
    13,117.94x = 144,996,239.41
  5. Step 5: Solve for x
    x = 144,996,239.41/13,117.94
  6. Step 6: Final answer
    x = 11,053.28

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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.