Home / 7,330.45-11,000.40-4,045.90

Finding the Fourth Proportional to 7,330.45, 11,000.40 and 4,045.90

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Solution

The fourth proportional to 7,330.45, 11,000.40 and 4,045.90 is: 6,071.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,330.45 : 11,000.40 = 4,045.90 : x
  2. Step 2: Convert to fraction form
    7,330.45/11,000.40 = 4,045.90/x
  3. Step 3: Cross multiply
    7,330.45x = 11,000.40 × 4,045.90
  4. Step 4: Simplify right side
    7,330.45x = 44,506,518.36
  5. Step 5: Solve for x
    x = 44,506,518.36/7,330.45
  6. Step 6: Final answer
    x = 6,071.46

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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.