Home / 12,212.02-16,851.45-6,907.24

Finding the Fourth Proportional to 12,212.02, 16,851.45 and 6,907.24

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Solution

The fourth proportional to 12,212.02, 16,851.45 and 6,907.24 is: 9,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,212.02 : 16,851.45 = 6,907.24 : x
  2. Step 2: Convert to fraction form
    12,212.02/16,851.45 = 6,907.24/x
  3. Step 3: Cross multiply
    12,212.02x = 16,851.45 × 6,907.24
  4. Step 4: Simplify right side
    12,212.02x = 116,397,009.50
  5. Step 5: Solve for x
    x = 116,397,009.50/12,212.02
  6. Step 6: Final answer
    x = 9,531.35

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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.