Home / 10,158.58-15,238.95-2,763.16

Finding the Fourth Proportional to 10,158.58, 15,238.95 and 2,763.16

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Solution

The fourth proportional to 10,158.58, 15,238.95 and 2,763.16 is: 4,145.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158.58 : 15,238.95 = 2,763.16 : x
  2. Step 2: Convert to fraction form
    10,158.58/15,238.95 = 2,763.16/x
  3. Step 3: Cross multiply
    10,158.58x = 15,238.95 × 2,763.16
  4. Step 4: Simplify right side
    10,158.58x = 42,107,657.08
  5. Step 5: Solve for x
    x = 42,107,657.08/10,158.58
  6. Step 6: Final answer
    x = 4,145.03

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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.