Home / 7,519.86-10,378.61-4,536.13

Finding the Fourth Proportional to 7,519.86, 10,378.61 and 4,536.13

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Solution

The fourth proportional to 7,519.86, 10,378.61 and 4,536.13 is: 6,260.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.86 : 10,378.61 = 4,536.13 : x
  2. Step 2: Convert to fraction form
    7,519.86/10,378.61 = 4,536.13/x
  3. Step 3: Cross multiply
    7,519.86x = 10,378.61 × 4,536.13
  4. Step 4: Simplify right side
    7,519.86x = 47,078,670.07
  5. Step 5: Solve for x
    x = 47,078,670.07/7,519.86
  6. Step 6: Final answer
    x = 6,260.58

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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.