Home / 13,316.03-18,376.17-7,347.87

Finding the Fourth Proportional to 13,316.03, 18,376.17 and 7,347.87

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Solution

The fourth proportional to 13,316.03, 18,376.17 and 7,347.87 is: 10,140.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.03 : 18,376.17 = 7,347.87 : x
  2. Step 2: Convert to fraction form
    13,316.03/18,376.17 = 7,347.87/x
  3. Step 3: Cross multiply
    13,316.03x = 18,376.17 × 7,347.87
  4. Step 4: Simplify right side
    13,316.03x = 135,025,722.04
  5. Step 5: Solve for x
    x = 135,025,722.04/13,316.03
  6. Step 6: Final answer
    x = 10,140.09

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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.