Home / 9,783.06-13,500.39-5,417.27

Finding the Fourth Proportional to 9,783.06, 13,500.39 and 5,417.27

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Solution

The fourth proportional to 9,783.06, 13,500.39 and 5,417.27 is: 7,475.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,783.06 : 13,500.39 = 5,417.27 : x
  2. Step 2: Convert to fraction form
    9,783.06/13,500.39 = 5,417.27/x
  3. Step 3: Cross multiply
    9,783.06x = 13,500.39 × 5,417.27
  4. Step 4: Simplify right side
    9,783.06x = 73,135,257.74
  5. Step 5: Solve for x
    x = 73,135,257.74/9,783.06
  6. Step 6: Final answer
    x = 7,475.70

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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.