Home / 28,233.46-42,349.74-6,886.42

Finding the Fourth Proportional to 28,233.46, 42,349.74 and 6,886.42

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Solution

The fourth proportional to 28,233.46, 42,349.74 and 6,886.42 is: 10,329.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233.46 : 42,349.74 = 6,886.42 : x
  2. Step 2: Convert to fraction form
    28,233.46/42,349.74 = 6,886.42/x
  3. Step 3: Cross multiply
    28,233.46x = 42,349.74 × 6,886.42
  4. Step 4: Simplify right side
    28,233.46x = 291,637,964.83
  5. Step 5: Solve for x
    x = 291,637,964.83/28,233.46
  6. Step 6: Final answer
    x = 10,329.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.