Home / 10,722.98-16,066.68-7,587.44

Finding the Fourth Proportional to 10,722.98, 16,066.68 and 7,587.44

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Solution

The fourth proportional to 10,722.98, 16,066.68 and 7,587.44 is: 11,368.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.98 : 16,066.68 = 7,587.44 : x
  2. Step 2: Convert to fraction form
    10,722.98/16,066.68 = 7,587.44/x
  3. Step 3: Cross multiply
    10,722.98x = 16,066.68 × 7,587.44
  4. Step 4: Simplify right side
    10,722.98x = 121,904,852.23
  5. Step 5: Solve for x
    x = 121,904,852.23/10,722.98
  6. Step 6: Final answer
    x = 11,368.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.