Home / 7,417.24-10,218.49-5,175.16

Finding the Fourth Proportional to 7,417.24, 10,218.49 and 5,175.16

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Solution

The fourth proportional to 7,417.24, 10,218.49 and 5,175.16 is: 7,129.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.24 : 10,218.49 = 5,175.16 : x
  2. Step 2: Convert to fraction form
    7,417.24/10,218.49 = 5,175.16/x
  3. Step 3: Cross multiply
    7,417.24x = 10,218.49 × 5,175.16
  4. Step 4: Simplify right side
    7,417.24x = 52,882,282.22
  5. Step 5: Solve for x
    x = 52,882,282.22/7,417.24
  6. Step 6: Final answer
    x = 7,129.65

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Half scale
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Double scale
Find fourth proportional to 7,418.24, 10,219.87 and 5,176.16
Similar ratio
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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.