Home / 9,068.50-12,515.09-5,089.61

Finding the Fourth Proportional to 9,068.50, 12,515.09 and 5,089.61

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Solution

The fourth proportional to 9,068.50, 12,515.09 and 5,089.61 is: 7,023.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,068.50 : 12,515.09 = 5,089.61 : x
  2. Step 2: Convert to fraction form
    9,068.50/12,515.09 = 5,089.61/x
  3. Step 3: Cross multiply
    9,068.50x = 12,515.09 × 5,089.61
  4. Step 4: Simplify right side
    9,068.50x = 63,696,933.05
  5. Step 5: Solve for x
    x = 63,696,933.05/9,068.50
  6. Step 6: Final answer
    x = 7,023.98

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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.