Home / 7,467.40-11,225.40-5,291.20

Finding the Fourth Proportional to 7,467.40, 11,225.40 and 5,291.20

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Solution

The fourth proportional to 7,467.40, 11,225.40 and 5,291.20 is: 7,954.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,467.40 : 11,225.40 = 5,291.20 : x
  2. Step 2: Convert to fraction form
    7,467.40/11,225.40 = 5,291.20/x
  3. Step 3: Cross multiply
    7,467.40x = 11,225.40 × 5,291.20
  4. Step 4: Simplify right side
    7,467.40x = 59,395,836.48
  5. Step 5: Solve for x
    x = 59,395,836.48/7,467.40
  6. Step 6: Final answer
    x = 7,954.02

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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.