Home / 10,319.04-15,474.60-5,050.80

Finding the Fourth Proportional to 10,319.04, 15,474.60 and 5,050.80

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Solution

The fourth proportional to 10,319.04, 15,474.60 and 5,050.80 is: 7,574.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.04 : 15,474.60 = 5,050.80 : x
  2. Step 2: Convert to fraction form
    10,319.04/15,474.60 = 5,050.80/x
  3. Step 3: Cross multiply
    10,319.04x = 15,474.60 × 5,050.80
  4. Step 4: Simplify right side
    10,319.04x = 78,159,109.68
  5. Step 5: Solve for x
    x = 78,159,109.68/10,319.04
  6. Step 6: Final answer
    x = 7,574.26

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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.