Home / 10,031.13-13,842.45-5,554.80

Finding the Fourth Proportional to 10,031.13, 13,842.45 and 5,554.80

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Solution

The fourth proportional to 10,031.13, 13,842.45 and 5,554.80 is: 7,665.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.13 : 13,842.45 = 5,554.80 : x
  2. Step 2: Convert to fraction form
    10,031.13/13,842.45 = 5,554.80/x
  3. Step 3: Cross multiply
    10,031.13x = 13,842.45 × 5,554.80
  4. Step 4: Simplify right side
    10,031.13x = 76,892,041.26
  5. Step 5: Solve for x
    x = 76,892,041.26/10,031.13
  6. Step 6: Final answer
    x = 7,665.34

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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.