Home / 10,088.56-13,922.14-5,551.51

Finding the Fourth Proportional to 10,088.56, 13,922.14 and 5,551.51

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Solution

The fourth proportional to 10,088.56, 13,922.14 and 5,551.51 is: 7,661.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.56 : 13,922.14 = 5,551.51 : x
  2. Step 2: Convert to fraction form
    10,088.56/13,922.14 = 5,551.51/x
  3. Step 3: Cross multiply
    10,088.56x = 13,922.14 × 5,551.51
  4. Step 4: Simplify right side
    10,088.56x = 77,288,953.80
  5. Step 5: Solve for x
    x = 77,288,953.80/10,088.56
  6. Step 6: Final answer
    x = 7,661.05

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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.