Home / 10,623.13-14,663.56-6,431.38

Finding the Fourth Proportional to 10,623.13, 14,663.56 and 6,431.38

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Solution

The fourth proportional to 10,623.13, 14,663.56 and 6,431.38 is: 8,877.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,623.13 : 14,663.56 = 6,431.38 : x
  2. Step 2: Convert to fraction form
    10,623.13/14,663.56 = 6,431.38/x
  3. Step 3: Cross multiply
    10,623.13x = 14,663.56 × 6,431.38
  4. Step 4: Simplify right side
    10,623.13x = 94,306,926.51
  5. Step 5: Solve for x
    x = 94,306,926.51/10,623.13
  6. Step 6: Final answer
    x = 8,877.51

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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.