Home / 7,454.48-10,282.91-4,655.12

Finding the Fourth Proportional to 7,454.48, 10,282.91 and 4,655.12

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Solution

The fourth proportional to 7,454.48, 10,282.91 and 4,655.12 is: 6,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.48 : 10,282.91 = 4,655.12 : x
  2. Step 2: Convert to fraction form
    7,454.48/10,282.91 = 4,655.12/x
  3. Step 3: Cross multiply
    7,454.48x = 10,282.91 × 4,655.12
  4. Step 4: Simplify right side
    7,454.48x = 47,868,105.31
  5. Step 5: Solve for x
    x = 47,868,105.31/7,454.48
  6. Step 6: Final answer
    x = 6,421.39

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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.