Home / 11,973.21-16,524.50-6,870.61

Finding the Fourth Proportional to 11,973.21, 16,524.50 and 6,870.61

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Solution

The fourth proportional to 11,973.21, 16,524.50 and 6,870.61 is: 9,482.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,973.21 : 16,524.50 = 6,870.61 : x
  2. Step 2: Convert to fraction form
    11,973.21/16,524.50 = 6,870.61/x
  3. Step 3: Cross multiply
    11,973.21x = 16,524.50 × 6,870.61
  4. Step 4: Simplify right side
    11,973.21x = 113,533,394.95
  5. Step 5: Solve for x
    x = 113,533,394.95/11,973.21
  6. Step 6: Final answer
    x = 9,482.29

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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.