Home / 10,651.19-14,700.06-6,115.65

Finding the Fourth Proportional to 10,651.19, 14,700.06 and 6,115.65

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Solution

The fourth proportional to 10,651.19, 14,700.06 and 6,115.65 is: 8,440.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651.19 : 14,700.06 = 6,115.65 : x
  2. Step 2: Convert to fraction form
    10,651.19/14,700.06 = 6,115.65/x
  3. Step 3: Cross multiply
    10,651.19x = 14,700.06 × 6,115.65
  4. Step 4: Simplify right side
    10,651.19x = 89,900,421.94
  5. Step 5: Solve for x
    x = 89,900,421.94/10,651.19
  6. Step 6: Final answer
    x = 8,440.42

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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.