Home / 7,455.18-10,300.59-6,211.02

Finding the Fourth Proportional to 7,455.18, 10,300.59 and 6,211.02

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Solution

The fourth proportional to 7,455.18, 10,300.59 and 6,211.02 is: 8,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.18 : 10,300.59 = 6,211.02 : x
  2. Step 2: Convert to fraction form
    7,455.18/10,300.59 = 6,211.02/x
  3. Step 3: Cross multiply
    7,455.18x = 10,300.59 × 6,211.02
  4. Step 4: Simplify right side
    7,455.18x = 63,977,170.50
  5. Step 5: Solve for x
    x = 63,977,170.50/7,455.18
  6. Step 6: Final answer
    x = 8,581.57

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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.