Home / 12,346.35-17,037.90-6,681.12

Finding the Fourth Proportional to 12,346.35, 17,037.90 and 6,681.12

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Solution

The fourth proportional to 12,346.35, 17,037.90 and 6,681.12 is: 9,219.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.35 : 17,037.90 = 6,681.12 : x
  2. Step 2: Convert to fraction form
    12,346.35/17,037.90 = 6,681.12/x
  3. Step 3: Cross multiply
    12,346.35x = 17,037.90 × 6,681.12
  4. Step 4: Simplify right side
    12,346.35x = 113,832,254.45
  5. Step 5: Solve for x
    x = 113,832,254.45/12,346.35
  6. Step 6: Final answer
    x = 9,219.91

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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.