Home / 7,837.80-10,810.59-4,855.05

Finding the Fourth Proportional to 7,837.80, 10,810.59 and 4,855.05

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Solution

The fourth proportional to 7,837.80, 10,810.59 and 4,855.05 is: 6,696.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.80 : 10,810.59 = 4,855.05 : x
  2. Step 2: Convert to fraction form
    7,837.80/10,810.59 = 4,855.05/x
  3. Step 3: Cross multiply
    7,837.80x = 10,810.59 × 4,855.05
  4. Step 4: Simplify right side
    7,837.80x = 52,485,954.98
  5. Step 5: Solve for x
    x = 52,485,954.98/7,837.80
  6. Step 6: Final answer
    x = 6,696.52

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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.