Home / 12,070.18-16,656.81-7,037.38

Finding the Fourth Proportional to 12,070.18, 16,656.81 and 7,037.38

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Solution

The fourth proportional to 12,070.18, 16,656.81 and 7,037.38 is: 9,711.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070.18 : 16,656.81 = 7,037.38 : x
  2. Step 2: Convert to fraction form
    12,070.18/16,656.81 = 7,037.38/x
  3. Step 3: Cross multiply
    12,070.18x = 16,656.81 × 7,037.38
  4. Step 4: Simplify right side
    12,070.18x = 117,220,301.56
  5. Step 5: Solve for x
    x = 117,220,301.56/12,070.18
  6. Step 6: Final answer
    x = 9,711.56

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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.