Home / 7,117.40-10,675.46-2,500.12

Finding the Fourth Proportional to 7,117.40, 10,675.46 and 2,500.12

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Solution

The fourth proportional to 7,117.40, 10,675.46 and 2,500.12 is: 3,749.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.40 : 10,675.46 = 2,500.12 : x
  2. Step 2: Convert to fraction form
    7,117.40/10,675.46 = 2,500.12/x
  3. Step 3: Cross multiply
    7,117.40x = 10,675.46 × 2,500.12
  4. Step 4: Simplify right side
    7,117.40x = 26,689,931.06
  5. Step 5: Solve for x
    x = 26,689,931.06/7,117.40
  6. Step 6: Final answer
    x = 3,749.96

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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.