Home / 12,062.18-16,645.84-7,029.30

Finding the Fourth Proportional to 12,062.18, 16,645.84 and 7,029.30

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Solution

The fourth proportional to 12,062.18, 16,645.84 and 7,029.30 is: 9,700.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,062.18 : 16,645.84 = 7,029.30 : x
  2. Step 2: Convert to fraction form
    12,062.18/16,645.84 = 7,029.30/x
  3. Step 3: Cross multiply
    12,062.18x = 16,645.84 × 7,029.30
  4. Step 4: Simplify right side
    12,062.18x = 117,008,603.11
  5. Step 5: Solve for x
    x = 117,008,603.11/12,062.18
  6. Step 6: Final answer
    x = 9,700.45

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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.