Home / 7,557.68-10,421.46-4,724.02

Finding the Fourth Proportional to 7,557.68, 10,421.46 and 4,724.02

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Solution

The fourth proportional to 7,557.68, 10,421.46 and 4,724.02 is: 6,514.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.68 : 10,421.46 = 4,724.02 : x
  2. Step 2: Convert to fraction form
    7,557.68/10,421.46 = 4,724.02/x
  3. Step 3: Cross multiply
    7,557.68x = 10,421.46 × 4,724.02
  4. Step 4: Simplify right side
    7,557.68x = 49,231,185.47
  5. Step 5: Solve for x
    x = 49,231,185.47/7,557.68
  6. Step 6: Final answer
    x = 6,514.06

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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.