Home / 11,583.47-15,985.43-6,547.39

Finding the Fourth Proportional to 11,583.47, 15,985.43 and 6,547.39

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Solution

The fourth proportional to 11,583.47, 15,985.43 and 6,547.39 is: 9,035.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,583.47 : 15,985.43 = 6,547.39 : x
  2. Step 2: Convert to fraction form
    11,583.47/15,985.43 = 6,547.39/x
  3. Step 3: Cross multiply
    11,583.47x = 15,985.43 × 6,547.39
  4. Step 4: Simplify right side
    11,583.47x = 104,662,830.64
  5. Step 5: Solve for x
    x = 104,662,830.64/11,583.47
  6. Step 6: Final answer
    x = 9,035.53

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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.