Home / 10,041.64-15,071.70-5,114.81

Finding the Fourth Proportional to 10,041.64, 15,071.70 and 5,114.81

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Solution

The fourth proportional to 10,041.64, 15,071.70 and 5,114.81 is: 7,676.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,041.64 : 15,071.70 = 5,114.81 : x
  2. Step 2: Convert to fraction form
    10,041.64/15,071.70 = 5,114.81/x
  3. Step 3: Cross multiply
    10,041.64x = 15,071.70 × 5,114.81
  4. Step 4: Simplify right side
    10,041.64x = 77,088,938.74
  5. Step 5: Solve for x
    x = 77,088,938.74/10,041.64
  6. Step 6: Final answer
    x = 7,676.93

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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.