Home / 10,332.81-15,490.58-4,790.14

Finding the Fourth Proportional to 10,332.81, 15,490.58 and 4,790.14

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Solution

The fourth proportional to 10,332.81, 15,490.58 and 4,790.14 is: 7,181.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,332.81 : 15,490.58 = 4,790.14 : x
  2. Step 2: Convert to fraction form
    10,332.81/15,490.58 = 4,790.14/x
  3. Step 3: Cross multiply
    10,332.81x = 15,490.58 × 4,790.14
  4. Step 4: Simplify right side
    10,332.81x = 74,202,042.29
  5. Step 5: Solve for x
    x = 74,202,042.29/10,332.81
  6. Step 6: Final answer
    x = 7,181.20

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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.