Home / 7,156.14-9,875.69-4,324.43

Finding the Fourth Proportional to 7,156.14, 9,875.69 and 4,324.43

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Solution

The fourth proportional to 7,156.14, 9,875.69 and 4,324.43 is: 5,967.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.14 : 9,875.69 = 4,324.43 : x
  2. Step 2: Convert to fraction form
    7,156.14/9,875.69 = 4,324.43/x
  3. Step 3: Cross multiply
    7,156.14x = 9,875.69 × 4,324.43
  4. Step 4: Simplify right side
    7,156.14x = 42,706,730.11
  5. Step 5: Solve for x
    x = 42,706,730.11/7,156.14
  6. Step 6: Final answer
    x = 5,967.84

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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.