Home / 7,167.08-10,740.78-5,325.14

Finding the Fourth Proportional to 7,167.08, 10,740.78 and 5,325.14

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Solution

The fourth proportional to 7,167.08, 10,740.78 and 5,325.14 is: 7,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.08 : 10,740.78 = 5,325.14 : x
  2. Step 2: Convert to fraction form
    7,167.08/10,740.78 = 5,325.14/x
  3. Step 3: Cross multiply
    7,167.08x = 10,740.78 × 5,325.14
  4. Step 4: Simplify right side
    7,167.08x = 57,196,157.21
  5. Step 5: Solve for x
    x = 57,196,157.21/7,167.08
  6. Step 6: Final answer
    x = 7,980.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.