Home / 10,042.47-15,068.87-4,783.45

Finding the Fourth Proportional to 10,042.47, 15,068.87 and 4,783.45

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Solution

The fourth proportional to 10,042.47, 15,068.87 and 4,783.45 is: 7,177.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,042.47 : 15,068.87 = 4,783.45 : x
  2. Step 2: Convert to fraction form
    10,042.47/15,068.87 = 4,783.45/x
  3. Step 3: Cross multiply
    10,042.47x = 15,068.87 × 4,783.45
  4. Step 4: Simplify right side
    10,042.47x = 72,081,186.20
  5. Step 5: Solve for x
    x = 72,081,186.20/10,042.47
  6. Step 6: Final answer
    x = 7,177.64

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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.