Home / 9,514.50-13,129.80-5,737.67

Finding the Fourth Proportional to 9,514.50, 13,129.80 and 5,737.67

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Solution

The fourth proportional to 9,514.50, 13,129.80 and 5,737.67 is: 7,917.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,514.50 : 13,129.80 = 5,737.67 : x
  2. Step 2: Convert to fraction form
    9,514.50/13,129.80 = 5,737.67/x
  3. Step 3: Cross multiply
    9,514.50x = 13,129.80 × 5,737.67
  4. Step 4: Simplify right side
    9,514.50x = 75,334,421.64
  5. Step 5: Solve for x
    x = 75,334,421.64/9,514.50
  6. Step 6: Final answer
    x = 7,917.86

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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.