Home / 12,317.49-18,483.53-4,531.77

Finding the Fourth Proportional to 12,317.49, 18,483.53 and 4,531.77

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Solution

The fourth proportional to 12,317.49, 18,483.53 and 4,531.77 is: 6,800.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317.49 : 18,483.53 = 4,531.77 : x
  2. Step 2: Convert to fraction form
    12,317.49/18,483.53 = 4,531.77/x
  3. Step 3: Cross multiply
    12,317.49x = 18,483.53 × 4,531.77
  4. Step 4: Simplify right side
    12,317.49x = 83,763,084.09
  5. Step 5: Solve for x
    x = 83,763,084.09/12,317.49
  6. Step 6: Final answer
    x = 6,800.34

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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.