Home / 28,312.42-42,467.66-7,252.65

Finding the Fourth Proportional to 28,312.42, 42,467.66 and 7,252.65

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Solution

The fourth proportional to 28,312.42, 42,467.66 and 7,252.65 is: 10,878.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,312.42 : 42,467.66 = 7,252.65 : x
  2. Step 2: Convert to fraction form
    28,312.42/42,467.66 = 7,252.65/x
  3. Step 3: Cross multiply
    28,312.42x = 42,467.66 × 7,252.65
  4. Step 4: Simplify right side
    28,312.42x = 308,002,966.19
  5. Step 5: Solve for x
    x = 308,002,966.19/28,312.42
  6. Step 6: Final answer
    x = 10,878.72

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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.