Home / 9,130.04-13,695.09-2,556.21

Finding the Fourth Proportional to 9,130.04, 13,695.09 and 2,556.21

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Solution

The fourth proportional to 9,130.04, 13,695.09 and 2,556.21 is: 3,834.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.04 : 13,695.09 = 2,556.21 : x
  2. Step 2: Convert to fraction form
    9,130.04/13,695.09 = 2,556.21/x
  3. Step 3: Cross multiply
    9,130.04x = 13,695.09 × 2,556.21
  4. Step 4: Simplify right side
    9,130.04x = 35,007,526.01
  5. Step 5: Solve for x
    x = 35,007,526.01/9,130.04
  6. Step 6: Final answer
    x = 3,834.32

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Double scale
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Similar ratio
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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.