Home / 10,353.70-14,287.62-5,637.96

Finding the Fourth Proportional to 10,353.70, 14,287.62 and 5,637.96

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Solution

The fourth proportional to 10,353.70, 14,287.62 and 5,637.96 is: 7,780.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.70 : 14,287.62 = 5,637.96 : x
  2. Step 2: Convert to fraction form
    10,353.70/14,287.62 = 5,637.96/x
  3. Step 3: Cross multiply
    10,353.70x = 14,287.62 × 5,637.96
  4. Step 4: Simplify right side
    10,353.70x = 80,553,030.06
  5. Step 5: Solve for x
    x = 80,553,030.06/10,353.70
  6. Step 6: Final answer
    x = 7,780.12

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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.