Home / 10,637.40-15,931.79-5,094.63

Finding the Fourth Proportional to 10,637.40, 15,931.79 and 5,094.63

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Solution

The fourth proportional to 10,637.40, 15,931.79 and 5,094.63 is: 7,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637.40 : 15,931.79 = 5,094.63 : x
  2. Step 2: Convert to fraction form
    10,637.40/15,931.79 = 5,094.63/x
  3. Step 3: Cross multiply
    10,637.40x = 15,931.79 × 5,094.63
  4. Step 4: Simplify right side
    10,637.40x = 81,166,575.29
  5. Step 5: Solve for x
    x = 81,166,575.29/10,637.40
  6. Step 6: Final answer
    x = 7,630.30

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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.