Home / 12,353.18-18,532.52-4,857.45

Finding the Fourth Proportional to 12,353.18, 18,532.52 and 4,857.45

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Solution

The fourth proportional to 12,353.18, 18,532.52 and 4,857.45 is: 7,287.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353.18 : 18,532.52 = 4,857.45 : x
  2. Step 2: Convert to fraction form
    12,353.18/18,532.52 = 4,857.45/x
  3. Step 3: Cross multiply
    12,353.18x = 18,532.52 × 4,857.45
  4. Step 4: Simplify right side
    12,353.18x = 90,020,764.99
  5. Step 5: Solve for x
    x = 90,020,764.99/12,353.18
  6. Step 6: Final answer
    x = 7,287.26

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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.