Home / 12,703.08-17,529.60-7,037.68

Finding the Fourth Proportional to 12,703.08, 17,529.60 and 7,037.68

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Solution

The fourth proportional to 12,703.08, 17,529.60 and 7,037.68 is: 9,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703.08 : 17,529.60 = 7,037.68 : x
  2. Step 2: Convert to fraction form
    12,703.08/17,529.60 = 7,037.68/x
  3. Step 3: Cross multiply
    12,703.08x = 17,529.60 × 7,037.68
  4. Step 4: Simplify right side
    12,703.08x = 123,367,715.33
  5. Step 5: Solve for x
    x = 123,367,715.33/12,703.08
  6. Step 6: Final answer
    x = 9,711.64

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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.