Home / 12,403.35-18,607.07-5,746.50

Finding the Fourth Proportional to 12,403.35, 18,607.07 and 5,746.50

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Solution

The fourth proportional to 12,403.35, 18,607.07 and 5,746.50 is: 8,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.35 : 18,607.07 = 5,746.50 : x
  2. Step 2: Convert to fraction form
    12,403.35/18,607.07 = 5,746.50/x
  3. Step 3: Cross multiply
    12,403.35x = 18,607.07 × 5,746.50
  4. Step 4: Simplify right side
    12,403.35x = 106,925,542.12
  5. Step 5: Solve for x
    x = 106,925,542.12/12,403.35
  6. Step 6: Final answer
    x = 8,620.70

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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.