Home / 7,114.90-10,676.40-4,925.20

Finding the Fourth Proportional to 7,114.90, 10,676.40 and 4,925.20

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Solution

The fourth proportional to 7,114.90, 10,676.40 and 4,925.20 is: 7,390.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114.90 : 10,676.40 = 4,925.20 : x
  2. Step 2: Convert to fraction form
    7,114.90/10,676.40 = 4,925.20/x
  3. Step 3: Cross multiply
    7,114.90x = 10,676.40 × 4,925.20
  4. Step 4: Simplify right side
    7,114.90x = 52,583,405.28
  5. Step 5: Solve for x
    x = 52,583,405.28/7,114.90
  6. Step 6: Final answer
    x = 7,390.60

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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.