Home / 7,237.27-9,987.47-4,094.07

Finding the Fourth Proportional to 7,237.27, 9,987.47 and 4,094.07

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Solution

The fourth proportional to 7,237.27, 9,987.47 and 4,094.07 is: 5,649.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.27 : 9,987.47 = 4,094.07 : x
  2. Step 2: Convert to fraction form
    7,237.27/9,987.47 = 4,094.07/x
  3. Step 3: Cross multiply
    7,237.27x = 9,987.47 × 4,094.07
  4. Step 4: Simplify right side
    7,237.27x = 40,889,401.30
  5. Step 5: Solve for x
    x = 40,889,401.30/7,237.27
  6. Step 6: Final answer
    x = 5,649.84

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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.