Home / 12,247.08-16,899.18-7,208.34

Finding the Fourth Proportional to 12,247.08, 16,899.18 and 7,208.34

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Solution

The fourth proportional to 12,247.08, 16,899.18 and 7,208.34 is: 9,946.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.08 : 16,899.18 = 7,208.34 : x
  2. Step 2: Convert to fraction form
    12,247.08/16,899.18 = 7,208.34/x
  3. Step 3: Cross multiply
    12,247.08x = 16,899.18 × 7,208.34
  4. Step 4: Simplify right side
    12,247.08x = 121,815,035.16
  5. Step 5: Solve for x
    x = 121,815,035.16/12,247.08
  6. Step 6: Final answer
    x = 9,946.46

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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.