Home / 9,719.12-14,577.53-5,718.90

Finding the Fourth Proportional to 9,719.12, 14,577.53 and 5,718.90

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Solution

The fourth proportional to 9,719.12, 14,577.53 and 5,718.90 is: 8,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.12 : 14,577.53 = 5,718.90 : x
  2. Step 2: Convert to fraction form
    9,719.12/14,577.53 = 5,718.90/x
  3. Step 3: Cross multiply
    9,719.12x = 14,577.53 × 5,718.90
  4. Step 4: Simplify right side
    9,719.12x = 83,367,436.32
  5. Step 5: Solve for x
    x = 83,367,436.32/9,719.12
  6. Step 6: Final answer
    x = 8,577.67

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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.