Home / 7,655.12-10,562.28-5,555.60

Finding the Fourth Proportional to 7,655.12, 10,562.28 and 5,555.60

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Solution

The fourth proportional to 7,655.12, 10,562.28 and 5,555.60 is: 7,665.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,655.12 : 10,562.28 = 5,555.60 : x
  2. Step 2: Convert to fraction form
    7,655.12/10,562.28 = 5,555.60/x
  3. Step 3: Cross multiply
    7,655.12x = 10,562.28 × 5,555.60
  4. Step 4: Simplify right side
    7,655.12x = 58,679,802.77
  5. Step 5: Solve for x
    x = 58,679,802.77/7,655.12
  6. Step 6: Final answer
    x = 7,665.43

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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.