Home / 11,096.08-15,312.61-6,315.86

Finding the Fourth Proportional to 11,096.08, 15,312.61 and 6,315.86

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Solution

The fourth proportional to 11,096.08, 15,312.61 and 6,315.86 is: 8,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,096.08 : 15,312.61 = 6,315.86 : x
  2. Step 2: Convert to fraction form
    11,096.08/15,312.61 = 6,315.86/x
  3. Step 3: Cross multiply
    11,096.08x = 15,312.61 × 6,315.86
  4. Step 4: Simplify right side
    11,096.08x = 96,712,300.99
  5. Step 5: Solve for x
    x = 96,712,300.99/11,096.08
  6. Step 6: Final answer
    x = 8,715.90

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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.