Home / 11,347.51-15,657.26-6,630.88

Finding the Fourth Proportional to 11,347.51, 15,657.26 and 6,630.88

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Solution

The fourth proportional to 11,347.51, 15,657.26 and 6,630.88 is: 9,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.51 : 15,657.26 = 6,630.88 : x
  2. Step 2: Convert to fraction form
    11,347.51/15,657.26 = 6,630.88/x
  3. Step 3: Cross multiply
    11,347.51x = 15,657.26 × 6,630.88
  4. Step 4: Simplify right side
    11,347.51x = 103,821,412.19
  5. Step 5: Solve for x
    x = 103,821,412.19/11,347.51
  6. Step 6: Final answer
    x = 9,149.27

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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.