Home / 13,089.08-18,063.42-7,501.16

Finding the Fourth Proportional to 13,089.08, 18,063.42 and 7,501.16

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Solution

The fourth proportional to 13,089.08, 18,063.42 and 7,501.16 is: 10,351.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089.08 : 18,063.42 = 7,501.16 : x
  2. Step 2: Convert to fraction form
    13,089.08/18,063.42 = 7,501.16/x
  3. Step 3: Cross multiply
    13,089.08x = 18,063.42 × 7,501.16
  4. Step 4: Simplify right side
    13,089.08x = 135,496,603.57
  5. Step 5: Solve for x
    x = 135,496,603.57/13,089.08
  6. Step 6: Final answer
    x = 10,351.88

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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.