Home / 9,780.48-14,668.16-4,233.60

Finding the Fourth Proportional to 9,780.48, 14,668.16 and 4,233.60

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Solution

The fourth proportional to 9,780.48, 14,668.16 and 4,233.60 is: 6,349.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.48 : 14,668.16 = 4,233.60 : x
  2. Step 2: Convert to fraction form
    9,780.48/14,668.16 = 4,233.60/x
  3. Step 3: Cross multiply
    9,780.48x = 14,668.16 × 4,233.60
  4. Step 4: Simplify right side
    9,780.48x = 62,099,122.18
  5. Step 5: Solve for x
    x = 62,099,122.18/9,780.48
  6. Step 6: Final answer
    x = 6,349.29

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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.