Home / 11,283.40-15,570.90-6,247.51

Finding the Fourth Proportional to 11,283.40, 15,570.90 and 6,247.51

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Solution

The fourth proportional to 11,283.40, 15,570.90 and 6,247.51 is: 8,621.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283.40 : 15,570.90 = 6,247.51 : x
  2. Step 2: Convert to fraction form
    11,283.40/15,570.90 = 6,247.51/x
  3. Step 3: Cross multiply
    11,283.40x = 15,570.90 × 6,247.51
  4. Step 4: Simplify right side
    11,283.40x = 97,279,314.53
  5. Step 5: Solve for x
    x = 97,279,314.53/11,283.40
  6. Step 6: Final answer
    x = 8,621.46

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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.