Home / 10,555.97-14,567.27-5,775.81

Finding the Fourth Proportional to 10,555.97, 14,567.27 and 5,775.81

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Solution

The fourth proportional to 10,555.97, 14,567.27 and 5,775.81 is: 7,970.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.97 : 14,567.27 = 5,775.81 : x
  2. Step 2: Convert to fraction form
    10,555.97/14,567.27 = 5,775.81/x
  3. Step 3: Cross multiply
    10,555.97x = 14,567.27 × 5,775.81
  4. Step 4: Simplify right side
    10,555.97x = 84,137,754.86
  5. Step 5: Solve for x
    x = 84,137,754.86/10,555.97
  6. Step 6: Final answer
    x = 7,970.64

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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.