Home / 12,295.08-18,441.50-4,897.55

Finding the Fourth Proportional to 12,295.08, 18,441.50 and 4,897.55

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Solution

The fourth proportional to 12,295.08, 18,441.50 and 4,897.55 is: 7,345.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295.08 : 18,441.50 = 4,897.55 : x
  2. Step 2: Convert to fraction form
    12,295.08/18,441.50 = 4,897.55/x
  3. Step 3: Cross multiply
    12,295.08x = 18,441.50 × 4,897.55
  4. Step 4: Simplify right side
    12,295.08x = 90,318,051.63
  5. Step 5: Solve for x
    x = 90,318,051.63/12,295.08
  6. Step 6: Final answer
    x = 7,345.87

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Double scale
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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.