Home / 10,338.19-15,506.88-4,412.65

Finding the Fourth Proportional to 10,338.19, 15,506.88 and 4,412.65

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Solution

The fourth proportional to 10,338.19, 15,506.88 and 4,412.65 is: 6,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.19 : 15,506.88 = 4,412.65 : x
  2. Step 2: Convert to fraction form
    10,338.19/15,506.88 = 4,412.65/x
  3. Step 3: Cross multiply
    10,338.19x = 15,506.88 × 4,412.65
  4. Step 4: Simplify right side
    10,338.19x = 68,426,434.03
  5. Step 5: Solve for x
    x = 68,426,434.03/10,338.19
  6. Step 6: Final answer
    x = 6,618.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.