Home / 7,875.42-10,873.59-4,892.46

Finding the Fourth Proportional to 7,875.42, 10,873.59 and 4,892.46

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Solution

The fourth proportional to 7,875.42, 10,873.59 and 4,892.46 is: 6,755.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.42 : 10,873.59 = 4,892.46 : x
  2. Step 2: Convert to fraction form
    7,875.42/10,873.59 = 4,892.46/x
  3. Step 3: Cross multiply
    7,875.42x = 10,873.59 × 4,892.46
  4. Step 4: Simplify right side
    7,875.42x = 53,198,604.13
  5. Step 5: Solve for x
    x = 53,198,604.13/7,875.42
  6. Step 6: Final answer
    x = 6,755.02

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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.