Home / 12,420.02-18,624.56-6,575.26

Finding the Fourth Proportional to 12,420.02, 18,624.56 and 6,575.26

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Solution

The fourth proportional to 12,420.02, 18,624.56 and 6,575.26 is: 9,859.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,420.02 : 18,624.56 = 6,575.26 : x
  2. Step 2: Convert to fraction form
    12,420.02/18,624.56 = 6,575.26/x
  3. Step 3: Cross multiply
    12,420.02x = 18,624.56 × 6,575.26
  4. Step 4: Simplify right side
    12,420.02x = 122,461,244.95
  5. Step 5: Solve for x
    x = 122,461,244.95/12,420.02
  6. Step 6: Final answer
    x = 9,859.99

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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.