Home / 7,555.22-10,423.29-5,570.48

Finding the Fourth Proportional to 7,555.22, 10,423.29 and 5,570.48

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Solution

The fourth proportional to 7,555.22, 10,423.29 and 5,570.48 is: 7,685.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.22 : 10,423.29 = 5,570.48 : x
  2. Step 2: Convert to fraction form
    7,555.22/10,423.29 = 5,570.48/x
  3. Step 3: Cross multiply
    7,555.22x = 10,423.29 × 5,570.48
  4. Step 4: Simplify right side
    7,555.22x = 58,062,728.48
  5. Step 5: Solve for x
    x = 58,062,728.48/7,555.22
  6. Step 6: Final answer
    x = 7,685.11

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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.