Home / 10,629.27-15,851.04-9,319.08

Finding the Fourth Proportional to 10,629.27, 15,851.04 and 9,319.08

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Solution

The fourth proportional to 10,629.27, 15,851.04 and 9,319.08 is: 13,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629.27 : 15,851.04 = 9,319.08 : x
  2. Step 2: Convert to fraction form
    10,629.27/15,851.04 = 9,319.08/x
  3. Step 3: Cross multiply
    10,629.27x = 15,851.04 × 9,319.08
  4. Step 4: Simplify right side
    10,629.27x = 147,717,109.84
  5. Step 5: Solve for x
    x = 147,717,109.84/10,629.27
  6. Step 6: Final answer
    x = 13,897.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.