Home / 9,815.87-13,541.13-5,834.16

Finding the Fourth Proportional to 9,815.87, 13,541.13 and 5,834.16

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Solution

The fourth proportional to 9,815.87, 13,541.13 and 5,834.16 is: 8,048.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815.87 : 13,541.13 = 5,834.16 : x
  2. Step 2: Convert to fraction form
    9,815.87/13,541.13 = 5,834.16/x
  3. Step 3: Cross multiply
    9,815.87x = 13,541.13 × 5,834.16
  4. Step 4: Simplify right side
    9,815.87x = 79,001,119.00
  5. Step 5: Solve for x
    x = 79,001,119.00/9,815.87
  6. Step 6: Final answer
    x = 8,048.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.