Home / 11,187.48-15,439.71-6,152.67

Finding the Fourth Proportional to 11,187.48, 15,439.71 and 6,152.67

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Solution

The fourth proportional to 11,187.48, 15,439.71 and 6,152.67 is: 8,491.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.48 : 15,439.71 = 6,152.67 : x
  2. Step 2: Convert to fraction form
    11,187.48/15,439.71 = 6,152.67/x
  3. Step 3: Cross multiply
    11,187.48x = 15,439.71 × 6,152.67
  4. Step 4: Simplify right side
    11,187.48x = 94,995,440.53
  5. Step 5: Solve for x
    x = 94,995,440.53/11,187.48
  6. Step 6: Final answer
    x = 8,491.23

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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.