Home / 7,665.04-10,577.84-4,640.11

Finding the Fourth Proportional to 7,665.04, 10,577.84 and 4,640.11

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Solution

The fourth proportional to 7,665.04, 10,577.84 and 4,640.11 is: 6,403.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.04 : 10,577.84 = 4,640.11 : x
  2. Step 2: Convert to fraction form
    7,665.04/10,577.84 = 4,640.11/x
  3. Step 3: Cross multiply
    7,665.04x = 10,577.84 × 4,640.11
  4. Step 4: Simplify right side
    7,665.04x = 49,082,377.12
  5. Step 5: Solve for x
    x = 49,082,377.12/7,665.04
  6. Step 6: Final answer
    x = 6,403.41

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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.