Home / 11,360.15-15,671.51-7,325.91

Finding the Fourth Proportional to 11,360.15, 15,671.51 and 7,325.91

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Solution

The fourth proportional to 11,360.15, 15,671.51 and 7,325.91 is: 10,106.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.15 : 15,671.51 = 7,325.91 : x
  2. Step 2: Convert to fraction form
    11,360.15/15,671.51 = 7,325.91/x
  3. Step 3: Cross multiply
    11,360.15x = 15,671.51 × 7,325.91
  4. Step 4: Simplify right side
    11,360.15x = 114,808,062.67
  5. Step 5: Solve for x
    x = 114,808,062.67/11,360.15
  6. Step 6: Final answer
    x = 10,106.21

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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.