Home / 7,837.55-10,814.47-4,649.59

Finding the Fourth Proportional to 7,837.55, 10,814.47 and 4,649.59

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Solution

The fourth proportional to 7,837.55, 10,814.47 and 4,649.59 is: 6,415.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.55 : 10,814.47 = 4,649.59 : x
  2. Step 2: Convert to fraction form
    7,837.55/10,814.47 = 4,649.59/x
  3. Step 3: Cross multiply
    7,837.55x = 10,814.47 × 4,649.59
  4. Step 4: Simplify right side
    7,837.55x = 50,282,851.57
  5. Step 5: Solve for x
    x = 50,282,851.57/7,837.55
  6. Step 6: Final answer
    x = 6,415.63

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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.