Home / 10,352.90-14,286.92-5,637.18

Finding the Fourth Proportional to 10,352.90, 14,286.92 and 5,637.18

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Solution

The fourth proportional to 10,352.90, 14,286.92 and 5,637.18 is: 7,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.90 : 14,286.92 = 5,637.18 : x
  2. Step 2: Convert to fraction form
    10,352.90/14,286.92 = 5,637.18/x
  3. Step 3: Cross multiply
    10,352.90x = 14,286.92 × 5,637.18
  4. Step 4: Simplify right side
    10,352.90x = 80,537,939.69
  5. Step 5: Solve for x
    x = 80,537,939.69/10,352.90
  6. Step 6: Final answer
    x = 7,779.26

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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.