Home / 10,332.81-15,490.59-4,790.12

Finding the Fourth Proportional to 10,332.81, 15,490.59 and 4,790.12

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Solution

The fourth proportional to 10,332.81, 15,490.59 and 4,790.12 is: 7,181.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,332.81 : 15,490.59 = 4,790.12 : x
  2. Step 2: Convert to fraction form
    10,332.81/15,490.59 = 4,790.12/x
  3. Step 3: Cross multiply
    10,332.81x = 15,490.59 × 4,790.12
  4. Step 4: Simplify right side
    10,332.81x = 74,201,707.52
  5. Step 5: Solve for x
    x = 74,201,707.52/10,332.81
  6. Step 6: Final answer
    x = 7,181.17

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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.