Home / 10,722.72-16,066.30-7,587.19

Finding the Fourth Proportional to 10,722.72, 16,066.30 and 7,587.19

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Solution

The fourth proportional to 10,722.72, 16,066.30 and 7,587.19 is: 11,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722.72 : 16,066.30 = 7,587.19 : x
  2. Step 2: Convert to fraction form
    10,722.72/16,066.30 = 7,587.19/x
  3. Step 3: Cross multiply
    10,722.72x = 16,066.30 × 7,587.19
  4. Step 4: Simplify right side
    10,722.72x = 121,898,030.53
  5. Step 5: Solve for x
    x = 121,898,030.53/10,722.72
  6. Step 6: Final answer
    x = 11,368.20

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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.