Home / 12,217.02-16,859.10-6,628.02

Finding the Fourth Proportional to 12,217.02, 16,859.10 and 6,628.02

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Solution

The fourth proportional to 12,217.02, 16,859.10 and 6,628.02 is: 9,146.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217.02 : 16,859.10 = 6,628.02 : x
  2. Step 2: Convert to fraction form
    12,217.02/16,859.10 = 6,628.02/x
  3. Step 3: Cross multiply
    12,217.02x = 16,859.10 × 6,628.02
  4. Step 4: Simplify right side
    12,217.02x = 111,742,451.98
  5. Step 5: Solve for x
    x = 111,742,451.98/12,217.02
  6. Step 6: Final answer
    x = 9,146.46

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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.