Home / 10,353.06-14,287.29-5,637.36

Finding the Fourth Proportional to 10,353.06, 14,287.29 and 5,637.36

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Solution

The fourth proportional to 10,353.06, 14,287.29 and 5,637.36 is: 7,779.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.06 : 14,287.29 = 5,637.36 : x
  2. Step 2: Convert to fraction form
    10,353.06/14,287.29 = 5,637.36/x
  3. Step 3: Cross multiply
    10,353.06x = 14,287.29 × 5,637.36
  4. Step 4: Simplify right side
    10,353.06x = 80,542,597.15
  5. Step 5: Solve for x
    x = 80,542,597.15/10,353.06
  6. Step 6: Final answer
    x = 7,779.59

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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.