Home / 13,176.14-18,182.67-7,207.67

Finding the Fourth Proportional to 13,176.14, 18,182.67 and 7,207.67

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Solution

The fourth proportional to 13,176.14, 18,182.67 and 7,207.67 is: 9,946.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.14 : 18,182.67 = 7,207.67 : x
  2. Step 2: Convert to fraction form
    13,176.14/18,182.67 = 7,207.67/x
  3. Step 3: Cross multiply
    13,176.14x = 18,182.67 × 7,207.67
  4. Step 4: Simplify right side
    13,176.14x = 131,054,685.08
  5. Step 5: Solve for x
    x = 131,054,685.08/13,176.14
  6. Step 6: Final answer
    x = 9,946.36

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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.