Home / 9,143.72-13,705.23-4,203.16

Finding the Fourth Proportional to 9,143.72, 13,705.23 and 4,203.16

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Solution

The fourth proportional to 9,143.72, 13,705.23 and 4,203.16 is: 6,299.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.72 : 13,705.23 = 4,203.16 : x
  2. Step 2: Convert to fraction form
    9,143.72/13,705.23 = 4,203.16/x
  3. Step 3: Cross multiply
    9,143.72x = 13,705.23 × 4,203.16
  4. Step 4: Simplify right side
    9,143.72x = 57,605,253.51
  5. Step 5: Solve for x
    x = 57,605,253.51/9,143.72
  6. Step 6: Final answer
    x = 6,299.98

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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.