Home / 13,377.16-18,460.02-8,075.08

Finding the Fourth Proportional to 13,377.16, 18,460.02 and 8,075.08

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Solution

The fourth proportional to 13,377.16, 18,460.02 and 8,075.08 is: 11,143.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377.16 : 18,460.02 = 8,075.08 : x
  2. Step 2: Convert to fraction form
    13,377.16/18,460.02 = 8,075.08/x
  3. Step 3: Cross multiply
    13,377.16x = 18,460.02 × 8,075.08
  4. Step 4: Simplify right side
    13,377.16x = 149,066,138.30
  5. Step 5: Solve for x
    x = 149,066,138.30/13,377.16
  6. Step 6: Final answer
    x = 11,143.33

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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.