Home / 7,715.93-10,647.35-4,528.88

Finding the Fourth Proportional to 7,715.93, 10,647.35 and 4,528.88

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Solution

The fourth proportional to 7,715.93, 10,647.35 and 4,528.88 is: 6,249.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.93 : 10,647.35 = 4,528.88 : x
  2. Step 2: Convert to fraction form
    7,715.93/10,647.35 = 4,528.88/x
  3. Step 3: Cross multiply
    7,715.93x = 10,647.35 × 4,528.88
  4. Step 4: Simplify right side
    7,715.93x = 48,220,551.50
  5. Step 5: Solve for x
    x = 48,220,551.50/7,715.93
  6. Step 6: Final answer
    x = 6,249.48

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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.