Home / 10,130.58-13,979.75-5,654.23

Finding the Fourth Proportional to 10,130.58, 13,979.75 and 5,654.23

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Solution

The fourth proportional to 10,130.58, 13,979.75 and 5,654.23 is: 7,802.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.58 : 13,979.75 = 5,654.23 : x
  2. Step 2: Convert to fraction form
    10,130.58/13,979.75 = 5,654.23/x
  3. Step 3: Cross multiply
    10,130.58x = 13,979.75 × 5,654.23
  4. Step 4: Simplify right side
    10,130.58x = 79,044,737.70
  5. Step 5: Solve for x
    x = 79,044,737.70/10,130.58
  6. Step 6: Final answer
    x = 7,802.59

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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.