Home / 9,816.76-13,541.10-5,835.16

Finding the Fourth Proportional to 9,816.76, 13,541.10 and 5,835.16

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Solution

The fourth proportional to 9,816.76, 13,541.10 and 5,835.16 is: 8,048.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.76 : 13,541.10 = 5,835.16 : x
  2. Step 2: Convert to fraction form
    9,816.76/13,541.10 = 5,835.16/x
  3. Step 3: Cross multiply
    9,816.76x = 13,541.10 × 5,835.16
  4. Step 4: Simplify right side
    9,816.76x = 79,014,485.08
  5. Step 5: Solve for x
    x = 79,014,485.08/9,816.76
  6. Step 6: Final answer
    x = 8,048.94

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Double scale
Find fourth proportional to 9,817.76, 13,542.48 and 5,836.16
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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.