Home / 12,298.48-18,432.24-5,270.26

Finding the Fourth Proportional to 12,298.48, 18,432.24 and 5,270.26

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Solution

The fourth proportional to 12,298.48, 18,432.24 and 5,270.26 is: 7,898.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298.48 : 18,432.24 = 5,270.26 : x
  2. Step 2: Convert to fraction form
    12,298.48/18,432.24 = 5,270.26/x
  3. Step 3: Cross multiply
    12,298.48x = 18,432.24 × 5,270.26
  4. Step 4: Simplify right side
    12,298.48x = 97,142,697.18
  5. Step 5: Solve for x
    x = 97,142,697.18/12,298.48
  6. Step 6: Final answer
    x = 7,898.76

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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.