Home / 10,332.69-15,490.40-4,790.01

Finding the Fourth Proportional to 10,332.69, 15,490.40 and 4,790.01

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Solution

The fourth proportional to 10,332.69, 15,490.40 and 4,790.01 is: 7,181.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,332.69 : 15,490.40 = 4,790.01 : x
  2. Step 2: Convert to fraction form
    10,332.69/15,490.40 = 4,790.01/x
  3. Step 3: Cross multiply
    10,332.69x = 15,490.40 × 4,790.01
  4. Step 4: Simplify right side
    10,332.69x = 74,199,170.90
  5. Step 5: Solve for x
    x = 74,199,170.90/10,332.69
  6. Step 6: Final answer
    x = 7,181.01

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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.