Home / 12,086.40-16,675.80-7,050.84

Finding the Fourth Proportional to 12,086.40, 16,675.80 and 7,050.84

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Solution

The fourth proportional to 12,086.40, 16,675.80 and 7,050.84 is: 9,728.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,086.40 : 16,675.80 = 7,050.84 : x
  2. Step 2: Convert to fraction form
    12,086.40/16,675.80 = 7,050.84/x
  3. Step 3: Cross multiply
    12,086.40x = 16,675.80 × 7,050.84
  4. Step 4: Simplify right side
    12,086.40x = 117,578,397.67
  5. Step 5: Solve for x
    x = 117,578,397.67/12,086.40
  6. Step 6: Final answer
    x = 9,728.16

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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.