Home / 12,072.15-16,658.87-7,037.19

Finding the Fourth Proportional to 12,072.15, 16,658.87 and 7,037.19

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Solution

The fourth proportional to 12,072.15, 16,658.87 and 7,037.19 is: 9,710.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072.15 : 16,658.87 = 7,037.19 : x
  2. Step 2: Convert to fraction form
    12,072.15/16,658.87 = 7,037.19/x
  3. Step 3: Cross multiply
    12,072.15x = 16,658.87 × 7,037.19
  4. Step 4: Simplify right side
    12,072.15x = 117,231,598.19
  5. Step 5: Solve for x
    x = 117,231,598.19/12,072.15
  6. Step 6: Final answer
    x = 9,710.91

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Half scale
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Double scale
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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.