Home / 9,155.86-13,733.76-3,312.46

Finding the Fourth Proportional to 9,155.86, 13,733.76 and 3,312.46

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Solution

The fourth proportional to 9,155.86, 13,733.76 and 3,312.46 is: 4,968.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,155.86 : 13,733.76 = 3,312.46 : x
  2. Step 2: Convert to fraction form
    9,155.86/13,733.76 = 3,312.46/x
  3. Step 3: Cross multiply
    9,155.86x = 13,733.76 × 3,312.46
  4. Step 4: Simplify right side
    9,155.86x = 45,492,530.65
  5. Step 5: Solve for x
    x = 45,492,530.65/9,155.86
  6. Step 6: Final answer
    x = 4,968.68

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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.