Home / 7,256.23-10,012.99-4,068.78

Finding the Fourth Proportional to 7,256.23, 10,012.99 and 4,068.78

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Solution

The fourth proportional to 7,256.23, 10,012.99 and 4,068.78 is: 5,614.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,256.23 : 10,012.99 = 4,068.78 : x
  2. Step 2: Convert to fraction form
    7,256.23/10,012.99 = 4,068.78/x
  3. Step 3: Cross multiply
    7,256.23x = 10,012.99 × 4,068.78
  4. Step 4: Simplify right side
    7,256.23x = 40,740,653.45
  5. Step 5: Solve for x
    x = 40,740,653.45/7,256.23
  6. Step 6: Final answer
    x = 5,614.58

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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.