Home / 7,354.08-11,031.12-4,274.40

Finding the Fourth Proportional to 7,354.08, 11,031.12 and 4,274.40

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Solution

The fourth proportional to 7,354.08, 11,031.12 and 4,274.40 is: 6,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,354.08 : 11,031.12 = 4,274.40 : x
  2. Step 2: Convert to fraction form
    7,354.08/11,031.12 = 4,274.40/x
  3. Step 3: Cross multiply
    7,354.08x = 11,031.12 × 4,274.40
  4. Step 4: Simplify right side
    7,354.08x = 47,151,419.33
  5. Step 5: Solve for x
    x = 47,151,419.33/7,354.08
  6. Step 6: Final answer
    x = 6,411.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.