Home / 7,972.14-11,002.53-4,828.32

Finding the Fourth Proportional to 7,972.14, 11,002.53 and 4,828.32

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Solution

The fourth proportional to 7,972.14, 11,002.53 and 4,828.32 is: 6,663.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.14 : 11,002.53 = 4,828.32 : x
  2. Step 2: Convert to fraction form
    7,972.14/11,002.53 = 4,828.32/x
  3. Step 3: Cross multiply
    7,972.14x = 11,002.53 × 4,828.32
  4. Step 4: Simplify right side
    7,972.14x = 53,123,735.65
  5. Step 5: Solve for x
    x = 53,123,735.65/7,972.14
  6. Step 6: Final answer
    x = 6,663.67

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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.