Home / 10,923.96-15,075.66-8,266.68

Finding the Fourth Proportional to 10,923.96, 15,075.66 and 8,266.68

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Solution

The fourth proportional to 10,923.96, 15,075.66 and 8,266.68 is: 11,408.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923.96 : 15,075.66 = 8,266.68 : x
  2. Step 2: Convert to fraction form
    10,923.96/15,075.66 = 8,266.68/x
  3. Step 3: Cross multiply
    10,923.96x = 15,075.66 × 8,266.68
  4. Step 4: Simplify right side
    10,923.96x = 124,625,657.01
  5. Step 5: Solve for x
    x = 124,625,657.01/10,923.96
  6. Step 6: Final answer
    x = 11,408.47

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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.