Home / 10,130.22-13,979.52-5,653.89

Finding the Fourth Proportional to 10,130.22, 13,979.52 and 5,653.89

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Solution

The fourth proportional to 10,130.22, 13,979.52 and 5,653.89 is: 7,802.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.22 : 13,979.52 = 5,653.89 : x
  2. Step 2: Convert to fraction form
    10,130.22/13,979.52 = 5,653.89/x
  3. Step 3: Cross multiply
    10,130.22x = 13,979.52 × 5,653.89
  4. Step 4: Simplify right side
    10,130.22x = 79,038,668.33
  5. Step 5: Solve for x
    x = 79,038,668.33/10,130.22
  6. Step 6: Final answer
    x = 7,802.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.