Home / 11,295.03-15,586.72-6,515.18

Finding the Fourth Proportional to 11,295.03, 15,586.72 and 6,515.18

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Solution

The fourth proportional to 11,295.03, 15,586.72 and 6,515.18 is: 8,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.03 : 15,586.72 = 6,515.18 : x
  2. Step 2: Convert to fraction form
    11,295.03/15,586.72 = 6,515.18/x
  3. Step 3: Cross multiply
    11,295.03x = 15,586.72 × 6,515.18
  4. Step 4: Simplify right side
    11,295.03x = 101,550,250.64
  5. Step 5: Solve for x
    x = 101,550,250.64/11,295.03
  6. Step 6: Final answer
    x = 8,990.70

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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.