Home / 10,036.34-15,054.51-4,189.76

Finding the Fourth Proportional to 10,036.34, 15,054.51 and 4,189.76

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Solution

The fourth proportional to 10,036.34, 15,054.51 and 4,189.76 is: 6,284.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,036.34 : 15,054.51 = 4,189.76 : x
  2. Step 2: Convert to fraction form
    10,036.34/15,054.51 = 4,189.76/x
  3. Step 3: Cross multiply
    10,036.34x = 15,054.51 × 4,189.76
  4. Step 4: Simplify right side
    10,036.34x = 63,074,708.55
  5. Step 5: Solve for x
    x = 63,074,708.55/10,036.34
  6. Step 6: Final answer
    x = 6,284.64

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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.