Home / 10,353.26-14,287.67-5,637.54

Finding the Fourth Proportional to 10,353.26, 14,287.67 and 5,637.54

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Solution

The fourth proportional to 10,353.26, 14,287.67 and 5,637.54 is: 7,779.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.26 : 14,287.67 = 5,637.54 : x
  2. Step 2: Convert to fraction form
    10,353.26/14,287.67 = 5,637.54/x
  3. Step 3: Cross multiply
    10,353.26x = 14,287.67 × 5,637.54
  4. Step 4: Simplify right side
    10,353.26x = 80,547,282.94
  5. Step 5: Solve for x
    x = 80,547,282.94/10,353.26
  6. Step 6: Final answer
    x = 7,779.89

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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.