Home / 13,045.93-18,006.60-8,011.36

Finding the Fourth Proportional to 13,045.93, 18,006.60 and 8,011.36

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Solution

The fourth proportional to 13,045.93, 18,006.60 and 8,011.36 is: 11,057.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.93 : 18,006.60 = 8,011.36 : x
  2. Step 2: Convert to fraction form
    13,045.93/18,006.60 = 8,011.36/x
  3. Step 3: Cross multiply
    13,045.93x = 18,006.60 × 8,011.36
  4. Step 4: Simplify right side
    13,045.93x = 144,257,354.98
  5. Step 5: Solve for x
    x = 144,257,354.98/13,045.93
  6. Step 6: Final answer
    x = 11,057.65

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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.