Home / 10,477.23-15,709.36-4,931.97

Finding the Fourth Proportional to 10,477.23, 15,709.36 and 4,931.97

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Solution

The fourth proportional to 10,477.23, 15,709.36 and 4,931.97 is: 7,394.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,477.23 : 15,709.36 = 4,931.97 : x
  2. Step 2: Convert to fraction form
    10,477.23/15,709.36 = 4,931.97/x
  3. Step 3: Cross multiply
    10,477.23x = 15,709.36 × 4,931.97
  4. Step 4: Simplify right side
    10,477.23x = 77,478,092.24
  5. Step 5: Solve for x
    x = 77,478,092.24/10,477.23
  6. Step 6: Final answer
    x = 7,394.90

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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.