Home / 9,810.27-13,533.89-6,448.77

Finding the Fourth Proportional to 9,810.27, 13,533.89 and 6,448.77

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Solution

The fourth proportional to 9,810.27, 13,533.89 and 6,448.77 is: 8,896.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,810.27 : 13,533.89 = 6,448.77 : x
  2. Step 2: Convert to fraction form
    9,810.27/13,533.89 = 6,448.77/x
  3. Step 3: Cross multiply
    9,810.27x = 13,533.89 × 6,448.77
  4. Step 4: Simplify right side
    9,810.27x = 87,276,911.57
  5. Step 5: Solve for x
    x = 87,276,911.57/9,810.27
  6. Step 6: Final answer
    x = 8,896.48

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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.