Home / 7,159.29-10,728.55-5,083.36

Finding the Fourth Proportional to 7,159.29, 10,728.55 and 5,083.36

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Solution

The fourth proportional to 7,159.29, 10,728.55 and 5,083.36 is: 7,617.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.29 : 10,728.55 = 5,083.36 : x
  2. Step 2: Convert to fraction form
    7,159.29/10,728.55 = 5,083.36/x
  3. Step 3: Cross multiply
    7,159.29x = 10,728.55 × 5,083.36
  4. Step 4: Simplify right side
    7,159.29x = 54,537,061.46
  5. Step 5: Solve for x
    x = 54,537,061.46/7,159.29
  6. Step 6: Final answer
    x = 7,617.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.