Home / 9,110.69-12,575.90-5,335.07

Finding the Fourth Proportional to 9,110.69, 12,575.90 and 5,335.07

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Solution

The fourth proportional to 9,110.69, 12,575.90 and 5,335.07 is: 7,364.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.69 : 12,575.90 = 5,335.07 : x
  2. Step 2: Convert to fraction form
    9,110.69/12,575.90 = 5,335.07/x
  3. Step 3: Cross multiply
    9,110.69x = 12,575.90 × 5,335.07
  4. Step 4: Simplify right side
    9,110.69x = 67,093,306.81
  5. Step 5: Solve for x
    x = 67,093,306.81/9,110.69
  6. Step 6: Final answer
    x = 7,364.24

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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.