Home / 12,465.03-18,701.09-5,074.80

Finding the Fourth Proportional to 12,465.03, 18,701.09 and 5,074.80

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Solution

The fourth proportional to 12,465.03, 18,701.09 and 5,074.80 is: 7,613.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465.03 : 18,701.09 = 5,074.80 : x
  2. Step 2: Convert to fraction form
    12,465.03/18,701.09 = 5,074.80/x
  3. Step 3: Cross multiply
    12,465.03x = 18,701.09 × 5,074.80
  4. Step 4: Simplify right side
    12,465.03x = 94,904,210.71
  5. Step 5: Solve for x
    x = 94,904,210.71/12,465.03
  6. Step 6: Final answer
    x = 7,613.64

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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.