Home / 10,445.30-15,663.36-4,900.58

Finding the Fourth Proportional to 10,445.30, 15,663.36 and 4,900.58

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Solution

The fourth proportional to 10,445.30, 15,663.36 and 4,900.58 is: 7,348.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.30 : 15,663.36 = 4,900.58 : x
  2. Step 2: Convert to fraction form
    10,445.30/15,663.36 = 4,900.58/x
  3. Step 3: Cross multiply
    10,445.30x = 15,663.36 × 4,900.58
  4. Step 4: Simplify right side
    10,445.30x = 76,759,548.75
  5. Step 5: Solve for x
    x = 76,759,548.75/10,445.30
  6. Step 6: Final answer
    x = 7,348.72

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1.5x scale

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.