Home / 8,315.41-11,475.50-4,538.81

Finding the Fourth Proportional to 8,315.41, 11,475.50 and 4,538.81

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Solution

The fourth proportional to 8,315.41, 11,475.50 and 4,538.81 is: 6,263.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.41 : 11,475.50 = 4,538.81 : x
  2. Step 2: Convert to fraction form
    8,315.41/11,475.50 = 4,538.81/x
  3. Step 3: Cross multiply
    8,315.41x = 11,475.50 × 4,538.81
  4. Step 4: Simplify right side
    8,315.41x = 52,085,091.46
  5. Step 5: Solve for x
    x = 52,085,091.46/8,315.41
  6. Step 6: Final answer
    x = 6,263.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.