Home / 12,459.06-17,193.39-6,870.06

Finding the Fourth Proportional to 12,459.06, 17,193.39 and 6,870.06

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Solution

The fourth proportional to 12,459.06, 17,193.39 and 6,870.06 is: 9,480.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459.06 : 17,193.39 = 6,870.06 : x
  2. Step 2: Convert to fraction form
    12,459.06/17,193.39 = 6,870.06/x
  3. Step 3: Cross multiply
    12,459.06x = 17,193.39 × 6,870.06
  4. Step 4: Simplify right side
    12,459.06x = 118,119,620.90
  5. Step 5: Solve for x
    x = 118,119,620.90/12,459.06
  6. Step 6: Final answer
    x = 9,480.62

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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.