Home / 7,720.12-10,653.24-4,363.08

Finding the Fourth Proportional to 7,720.12, 10,653.24 and 4,363.08

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Solution

The fourth proportional to 7,720.12, 10,653.24 and 4,363.08 is: 6,020.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.12 : 10,653.24 = 4,363.08 : x
  2. Step 2: Convert to fraction form
    7,720.12/10,653.24 = 4,363.08/x
  3. Step 3: Cross multiply
    7,720.12x = 10,653.24 × 4,363.08
  4. Step 4: Simplify right side
    7,720.12x = 46,480,938.38
  5. Step 5: Solve for x
    x = 46,480,938.38/7,720.12
  6. Step 6: Final answer
    x = 6,020.75

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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.