Home / 12,393.40-18,583.95-4,495.60

Finding the Fourth Proportional to 12,393.40, 18,583.95 and 4,495.60

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Solution

The fourth proportional to 12,393.40, 18,583.95 and 4,495.60 is: 6,741.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393.40 : 18,583.95 = 4,495.60 : x
  2. Step 2: Convert to fraction form
    12,393.40/18,583.95 = 4,495.60/x
  3. Step 3: Cross multiply
    12,393.40x = 18,583.95 × 4,495.60
  4. Step 4: Simplify right side
    12,393.40x = 83,546,005.62
  5. Step 5: Solve for x
    x = 83,546,005.62/12,393.40
  6. Step 6: Final answer
    x = 6,741.17

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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.