Home / 7,278.60-10,897.74-4,675.08

Finding the Fourth Proportional to 7,278.60, 10,897.74 and 4,675.08

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Solution

The fourth proportional to 7,278.60, 10,897.74 and 4,675.08 is: 6,999.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.60 : 10,897.74 = 4,675.08 : x
  2. Step 2: Convert to fraction form
    7,278.60/10,897.74 = 4,675.08/x
  3. Step 3: Cross multiply
    7,278.60x = 10,897.74 × 4,675.08
  4. Step 4: Simplify right side
    7,278.60x = 50,947,806.32
  5. Step 5: Solve for x
    x = 50,947,806.32/7,278.60
  6. Step 6: Final answer
    x = 6,999.67

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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.