Home / 10,001.40-13,802.31-5,525.34

Finding the Fourth Proportional to 10,001.40, 13,802.31 and 5,525.34

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Solution

The fourth proportional to 10,001.40, 13,802.31 and 5,525.34 is: 7,625.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.40 : 13,802.31 = 5,525.34 : x
  2. Step 2: Convert to fraction form
    10,001.40/13,802.31 = 5,525.34/x
  3. Step 3: Cross multiply
    10,001.40x = 13,802.31 × 5,525.34
  4. Step 4: Simplify right side
    10,001.40x = 76,262,455.54
  5. Step 5: Solve for x
    x = 76,262,455.54/10,001.40
  6. Step 6: Final answer
    x = 7,625.18

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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.