Home / 10,260.84-15,400.98-5,070.36

Finding the Fourth Proportional to 10,260.84, 15,400.98 and 5,070.36

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Solution

The fourth proportional to 10,260.84, 15,400.98 and 5,070.36 is: 7,610.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260.84 : 15,400.98 = 5,070.36 : x
  2. Step 2: Convert to fraction form
    10,260.84/15,400.98 = 5,070.36/x
  3. Step 3: Cross multiply
    10,260.84x = 15,400.98 × 5,070.36
  4. Step 4: Simplify right side
    10,260.84x = 78,088,512.95
  5. Step 5: Solve for x
    x = 78,088,512.95/10,260.84
  6. Step 6: Final answer
    x = 7,610.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.