Home / 9,438.51-14,157.67-2,864.45

Finding the Fourth Proportional to 9,438.51, 14,157.67 and 2,864.45

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Solution

The fourth proportional to 9,438.51, 14,157.67 and 2,864.45 is: 4,296.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.51 : 14,157.67 = 2,864.45 : x
  2. Step 2: Convert to fraction form
    9,438.51/14,157.67 = 2,864.45/x
  3. Step 3: Cross multiply
    9,438.51x = 14,157.67 × 2,864.45
  4. Step 4: Simplify right side
    9,438.51x = 40,553,937.83
  5. Step 5: Solve for x
    x = 40,553,937.83/9,438.51
  6. Step 6: Final answer
    x = 4,296.65

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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.