Home / 7,775.68-10,730.69-4,418.29

Finding the Fourth Proportional to 7,775.68, 10,730.69 and 4,418.29

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Solution

The fourth proportional to 7,775.68, 10,730.69 and 4,418.29 is: 6,097.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775.68 : 10,730.69 = 4,418.29 : x
  2. Step 2: Convert to fraction form
    7,775.68/10,730.69 = 4,418.29/x
  3. Step 3: Cross multiply
    7,775.68x = 10,730.69 × 4,418.29
  4. Step 4: Simplify right side
    7,775.68x = 47,411,300.32
  5. Step 5: Solve for x
    x = 47,411,300.32/7,775.68
  6. Step 6: Final answer
    x = 6,097.38

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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.