Home / 7,316.80-10,097.16-4,172.96

Finding the Fourth Proportional to 7,316.80, 10,097.16 and 4,172.96

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Solution

The fourth proportional to 7,316.80, 10,097.16 and 4,172.96 is: 5,758.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.80 : 10,097.16 = 4,172.96 : x
  2. Step 2: Convert to fraction form
    7,316.80/10,097.16 = 4,172.96/x
  3. Step 3: Cross multiply
    7,316.80x = 10,097.16 × 4,172.96
  4. Step 4: Simplify right side
    7,316.80x = 42,135,044.79
  5. Step 5: Solve for x
    x = 42,135,044.79/7,316.80
  6. Step 6: Final answer
    x = 5,758.67

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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.