Home / 10,353.04-14,286.88-5,637.22

Finding the Fourth Proportional to 10,353.04, 14,286.88 and 5,637.22

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Solution

The fourth proportional to 10,353.04, 14,286.88 and 5,637.22 is: 7,779.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.04 : 14,286.88 = 5,637.22 : x
  2. Step 2: Convert to fraction form
    10,353.04/14,286.88 = 5,637.22/x
  3. Step 3: Cross multiply
    10,353.04x = 14,286.88 × 5,637.22
  4. Step 4: Simplify right side
    10,353.04x = 80,538,285.67
  5. Step 5: Solve for x
    x = 80,538,285.67/10,353.04
  6. Step 6: Final answer
    x = 7,779.19

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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.