Home / 10,038.48-15,062.86-4,779.44

Finding the Fourth Proportional to 10,038.48, 15,062.86 and 4,779.44

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Solution

The fourth proportional to 10,038.48, 15,062.86 and 4,779.44 is: 7,171.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,038.48 : 15,062.86 = 4,779.44 : x
  2. Step 2: Convert to fraction form
    10,038.48/15,062.86 = 4,779.44/x
  3. Step 3: Cross multiply
    10,038.48x = 15,062.86 × 4,779.44
  4. Step 4: Simplify right side
    10,038.48x = 71,992,035.60
  5. Step 5: Solve for x
    x = 71,992,035.60/10,038.48
  6. Step 6: Final answer
    x = 7,171.61

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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.