Home / 12,346.08-17,037.21-7,040.64

Finding the Fourth Proportional to 12,346.08, 17,037.21 and 7,040.64

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Solution

The fourth proportional to 12,346.08, 17,037.21 and 7,040.64 is: 9,715.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.08 : 17,037.21 = 7,040.64 : x
  2. Step 2: Convert to fraction form
    12,346.08/17,037.21 = 7,040.64/x
  3. Step 3: Cross multiply
    12,346.08x = 17,037.21 × 7,040.64
  4. Step 4: Simplify right side
    12,346.08x = 119,952,862.21
  5. Step 5: Solve for x
    x = 119,952,862.21/12,346.08
  6. Step 6: Final answer
    x = 9,715.87

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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.