Home / 13,001.03-19,503.96-5,210.45

Finding the Fourth Proportional to 13,001.03, 19,503.96 and 5,210.45

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Solution

The fourth proportional to 13,001.03, 19,503.96 and 5,210.45 is: 7,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.03 : 19,503.96 = 5,210.45 : x
  2. Step 2: Convert to fraction form
    13,001.03/19,503.96 = 5,210.45/x
  3. Step 3: Cross multiply
    13,001.03x = 19,503.96 × 5,210.45
  4. Step 4: Simplify right side
    13,001.03x = 101,624,310.86
  5. Step 5: Solve for x
    x = 101,624,310.86/13,001.03
  6. Step 6: Final answer
    x = 7,816.64

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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.