Home / 10,402.24-14,345.76-6,869.02

Finding the Fourth Proportional to 10,402.24, 14,345.76 and 6,869.02

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Solution

The fourth proportional to 10,402.24, 14,345.76 and 6,869.02 is: 9,473.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402.24 : 14,345.76 = 6,869.02 : x
  2. Step 2: Convert to fraction form
    10,402.24/14,345.76 = 6,869.02/x
  3. Step 3: Cross multiply
    10,402.24x = 14,345.76 × 6,869.02
  4. Step 4: Simplify right side
    10,402.24x = 98,541,312.36
  5. Step 5: Solve for x
    x = 98,541,312.36/10,402.24
  6. Step 6: Final answer
    x = 9,473.09

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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.