Home / 12,371.51-18,555.58-4,050.53

Finding the Fourth Proportional to 12,371.51, 18,555.58 and 4,050.53

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Solution

The fourth proportional to 12,371.51, 18,555.58 and 4,050.53 is: 6,075.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.51 : 18,555.58 = 4,050.53 : x
  2. Step 2: Convert to fraction form
    12,371.51/18,555.58 = 4,050.53/x
  3. Step 3: Cross multiply
    12,371.51x = 18,555.58 × 4,050.53
  4. Step 4: Simplify right side
    12,371.51x = 75,159,967.51
  5. Step 5: Solve for x
    x = 75,159,967.51/12,371.51
  6. Step 6: Final answer
    x = 6,075.25

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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.