Home / 9,089.32-12,543.18-5,110.45

Finding the Fourth Proportional to 9,089.32, 12,543.18 and 5,110.45

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Solution

The fourth proportional to 9,089.32, 12,543.18 and 5,110.45 is: 7,052.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,089.32 : 12,543.18 = 5,110.45 : x
  2. Step 2: Convert to fraction form
    9,089.32/12,543.18 = 5,110.45/x
  3. Step 3: Cross multiply
    9,089.32x = 12,543.18 × 5,110.45
  4. Step 4: Simplify right side
    9,089.32x = 64,101,262.87
  5. Step 5: Solve for x
    x = 64,101,262.87/9,089.32
  6. Step 6: Final answer
    x = 7,052.37

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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.