Home / 7,215.60-9,962.16-5,892.48

Finding the Fourth Proportional to 7,215.60, 9,962.16 and 5,892.48

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Solution

The fourth proportional to 7,215.60, 9,962.16 and 5,892.48 is: 8,135.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.60 : 9,962.16 = 5,892.48 : x
  2. Step 2: Convert to fraction form
    7,215.60/9,962.16 = 5,892.48/x
  3. Step 3: Cross multiply
    7,215.60x = 9,962.16 × 5,892.48
  4. Step 4: Simplify right side
    7,215.60x = 58,701,828.56
  5. Step 5: Solve for x
    x = 58,701,828.56/7,215.60
  6. Step 6: Final answer
    x = 8,135.41

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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.