Home / 10,407.14-14,369.38-6,433.70

Finding the Fourth Proportional to 10,407.14, 14,369.38 and 6,433.70

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Solution

The fourth proportional to 10,407.14, 14,369.38 and 6,433.70 is: 8,883.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.14 : 14,369.38 = 6,433.70 : x
  2. Step 2: Convert to fraction form
    10,407.14/14,369.38 = 6,433.70/x
  3. Step 3: Cross multiply
    10,407.14x = 14,369.38 × 6,433.70
  4. Step 4: Simplify right side
    10,407.14x = 92,448,280.11
  5. Step 5: Solve for x
    x = 92,448,280.11/10,407.14
  6. Step 6: Final answer
    x = 8,883.16

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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.