Home / 10,253.07-14,143.76-6,890.10

Finding the Fourth Proportional to 10,253.07, 14,143.76 and 6,890.10

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Solution

The fourth proportional to 10,253.07, 14,143.76 and 6,890.10 is: 9,504.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.07 : 14,143.76 = 6,890.10 : x
  2. Step 2: Convert to fraction form
    10,253.07/14,143.76 = 6,890.10/x
  3. Step 3: Cross multiply
    10,253.07x = 14,143.76 × 6,890.10
  4. Step 4: Simplify right side
    10,253.07x = 97,451,886.33
  5. Step 5: Solve for x
    x = 97,451,886.33/10,253.07
  6. Step 6: Final answer
    x = 9,504.65

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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.