Home / 7,761.12-10,710.72-4,574.52

Finding the Fourth Proportional to 7,761.12, 10,710.72 and 4,574.52

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Solution

The fourth proportional to 7,761.12, 10,710.72 and 4,574.52 is: 6,313.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,761.12 : 10,710.72 = 4,574.52 : x
  2. Step 2: Convert to fraction form
    7,761.12/10,710.72 = 4,574.52/x
  3. Step 3: Cross multiply
    7,761.12x = 10,710.72 × 4,574.52
  4. Step 4: Simplify right side
    7,761.12x = 48,996,402.85
  5. Step 5: Solve for x
    x = 48,996,402.85/7,761.12
  6. Step 6: Final answer
    x = 6,313.06

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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.