Home / 7,468.84-10,300.26-6,420.52

Finding the Fourth Proportional to 7,468.84, 10,300.26 and 6,420.52

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Solution

The fourth proportional to 7,468.84, 10,300.26 and 6,420.52 is: 8,854.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,468.84 : 10,300.26 = 6,420.52 : x
  2. Step 2: Convert to fraction form
    7,468.84/10,300.26 = 6,420.52/x
  3. Step 3: Cross multiply
    7,468.84x = 10,300.26 × 6,420.52
  4. Step 4: Simplify right side
    7,468.84x = 66,133,025.34
  5. Step 5: Solve for x
    x = 66,133,025.34/7,468.84
  6. Step 6: Final answer
    x = 8,854.52

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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.