Home / 7,742.16-11,598.87-5,242.14

Finding the Fourth Proportional to 7,742.16, 11,598.87 and 5,242.14

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Solution

The fourth proportional to 7,742.16, 11,598.87 and 5,242.14 is: 7,853.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.16 : 11,598.87 = 5,242.14 : x
  2. Step 2: Convert to fraction form
    7,742.16/11,598.87 = 5,242.14/x
  3. Step 3: Cross multiply
    7,742.16x = 11,598.87 × 5,242.14
  4. Step 4: Simplify right side
    7,742.16x = 60,802,900.38
  5. Step 5: Solve for x
    x = 60,802,900.38/7,742.16
  6. Step 6: Final answer
    x = 7,853.48

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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.