Home / 7,734.08-10,672.80-5,647.04

Finding the Fourth Proportional to 7,734.08, 10,672.80 and 5,647.04

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Solution

The fourth proportional to 7,734.08, 10,672.80 and 5,647.04 is: 7,792.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,734.08 : 10,672.80 = 5,647.04 : x
  2. Step 2: Convert to fraction form
    7,734.08/10,672.80 = 5,647.04/x
  3. Step 3: Cross multiply
    7,734.08x = 10,672.80 × 5,647.04
  4. Step 4: Simplify right side
    7,734.08x = 60,269,728.51
  5. Step 5: Solve for x
    x = 60,269,728.51/7,734.08
  6. Step 6: Final answer
    x = 7,792.75

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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.