Home / 10,405.41-15,607.43-4,482.06

Finding the Fourth Proportional to 10,405.41, 15,607.43 and 4,482.06

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Solution

The fourth proportional to 10,405.41, 15,607.43 and 4,482.06 is: 6,722.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405.41 : 15,607.43 = 4,482.06 : x
  2. Step 2: Convert to fraction form
    10,405.41/15,607.43 = 4,482.06/x
  3. Step 3: Cross multiply
    10,405.41x = 15,607.43 × 4,482.06
  4. Step 4: Simplify right side
    10,405.41x = 69,953,442.68
  5. Step 5: Solve for x
    x = 69,953,442.68/10,405.41
  6. Step 6: Final answer
    x = 6,722.79

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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.