Home / 7,671.20-11,526.26-7,155.23

Finding the Fourth Proportional to 7,671.20, 11,526.26 and 7,155.23

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Solution

The fourth proportional to 7,671.20, 11,526.26 and 7,155.23 is: 10,751.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,671.20 : 11,526.26 = 7,155.23 : x
  2. Step 2: Convert to fraction form
    7,671.20/11,526.26 = 7,155.23/x
  3. Step 3: Cross multiply
    7,671.20x = 11,526.26 × 7,155.23
  4. Step 4: Simplify right side
    7,671.20x = 82,473,041.34
  5. Step 5: Solve for x
    x = 82,473,041.34/7,671.20
  6. Step 6: Final answer
    x = 10,751.00

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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.