Home / 7,376.48-10,169.76-6,112.88

Finding the Fourth Proportional to 7,376.48, 10,169.76 and 6,112.88

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Solution

The fourth proportional to 7,376.48, 10,169.76 and 6,112.88 is: 8,427.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.48 : 10,169.76 = 6,112.88 : x
  2. Step 2: Convert to fraction form
    7,376.48/10,169.76 = 6,112.88/x
  3. Step 3: Cross multiply
    7,376.48x = 10,169.76 × 6,112.88
  4. Step 4: Simplify right side
    7,376.48x = 62,166,522.51
  5. Step 5: Solve for x
    x = 62,166,522.51/7,376.48
  6. Step 6: Final answer
    x = 8,427.67

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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.