Home / 10,353.48-14,287.68-5,637.75

Finding the Fourth Proportional to 10,353.48, 14,287.68 and 5,637.75

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Solution

The fourth proportional to 10,353.48, 14,287.68 and 5,637.75 is: 7,780.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.48 : 14,287.68 = 5,637.75 : x
  2. Step 2: Convert to fraction form
    10,353.48/14,287.68 = 5,637.75/x
  3. Step 3: Cross multiply
    10,353.48x = 14,287.68 × 5,637.75
  4. Step 4: Simplify right side
    10,353.48x = 80,550,367.92
  5. Step 5: Solve for x
    x = 80,550,367.92/10,353.48
  6. Step 6: Final answer
    x = 7,780.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.