Home / 8,870.38-12,240.96-4,837.24

Finding the Fourth Proportional to 8,870.38, 12,240.96 and 4,837.24

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Solution

The fourth proportional to 8,870.38, 12,240.96 and 4,837.24 is: 6,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.38 : 12,240.96 = 4,837.24 : x
  2. Step 2: Convert to fraction form
    8,870.38/12,240.96 = 4,837.24/x
  3. Step 3: Cross multiply
    8,870.38x = 12,240.96 × 4,837.24
  4. Step 4: Simplify right side
    8,870.38x = 59,212,389.66
  5. Step 5: Solve for x
    x = 59,212,389.66/8,870.38
  6. Step 6: Final answer
    x = 6,675.30

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Half scale
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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.