Home / 10,583.48-15,875.70-8,731.16

Finding the Fourth Proportional to 10,583.48, 15,875.70 and 8,731.16

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Solution

The fourth proportional to 10,583.48, 15,875.70 and 8,731.16 is: 13,097.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,583.48 : 15,875.70 = 8,731.16 : x
  2. Step 2: Convert to fraction form
    10,583.48/15,875.70 = 8,731.16/x
  3. Step 3: Cross multiply
    10,583.48x = 15,875.70 × 8,731.16
  4. Step 4: Simplify right side
    10,583.48x = 138,613,197.43
  5. Step 5: Solve for x
    x = 138,613,197.43/10,583.48
  6. Step 6: Final answer
    x = 13,097.13

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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.