Home / 11,447.10-15,798.45-6,970.58

Finding the Fourth Proportional to 11,447.10, 15,798.45 and 6,970.58

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Solution

The fourth proportional to 11,447.10, 15,798.45 and 6,970.58 is: 9,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,447.10 : 15,798.45 = 6,970.58 : x
  2. Step 2: Convert to fraction form
    11,447.10/15,798.45 = 6,970.58/x
  3. Step 3: Cross multiply
    11,447.10x = 15,798.45 × 6,970.58
  4. Step 4: Simplify right side
    11,447.10x = 110,124,359.60
  5. Step 5: Solve for x
    x = 110,124,359.60/11,447.10
  6. Step 6: Final answer
    x = 9,620.28

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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.