Home / 10,077.48-15,118.38-4,231.08

Finding the Fourth Proportional to 10,077.48, 15,118.38 and 4,231.08

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Solution

The fourth proportional to 10,077.48, 15,118.38 and 4,231.08 is: 6,347.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.48 : 15,118.38 = 4,231.08 : x
  2. Step 2: Convert to fraction form
    10,077.48/15,118.38 = 4,231.08/x
  3. Step 3: Cross multiply
    10,077.48x = 15,118.38 × 4,231.08
  4. Step 4: Simplify right side
    10,077.48x = 63,967,075.25
  5. Step 5: Solve for x
    x = 63,967,075.25/10,077.48
  6. Step 6: Final answer
    x = 6,347.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.