Home / 9,421.98-14,143.19-7,088.64

Finding the Fourth Proportional to 9,421.98, 14,143.19 and 7,088.64

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Solution

The fourth proportional to 9,421.98, 14,143.19 and 7,088.64 is: 10,640.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.98 : 14,143.19 = 7,088.64 : x
  2. Step 2: Convert to fraction form
    9,421.98/14,143.19 = 7,088.64/x
  3. Step 3: Cross multiply
    9,421.98x = 14,143.19 × 7,088.64
  4. Step 4: Simplify right side
    9,421.98x = 100,255,982.36
  5. Step 5: Solve for x
    x = 100,255,982.36/9,421.98
  6. Step 6: Final answer
    x = 10,640.65

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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.