Home / 7,837.80-10,814.66-4,480.53

Finding the Fourth Proportional to 7,837.80, 10,814.66 and 4,480.53

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Solution

The fourth proportional to 7,837.80, 10,814.66 and 4,480.53 is: 6,182.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.80 : 10,814.66 = 4,480.53 : x
  2. Step 2: Convert to fraction form
    7,837.80/10,814.66 = 4,480.53/x
  3. Step 3: Cross multiply
    7,837.80x = 10,814.66 × 4,480.53
  4. Step 4: Simplify right side
    7,837.80x = 48,455,386.17
  5. Step 5: Solve for x
    x = 48,455,386.17/7,837.80
  6. Step 6: Final answer
    x = 6,182.27

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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.