Home / 9,465.12-13,068.44-6,330.40

Finding the Fourth Proportional to 9,465.12, 13,068.44 and 6,330.40

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Solution

The fourth proportional to 9,465.12, 13,068.44 and 6,330.40 is: 8,740.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,465.12 : 13,068.44 = 6,330.40 : x
  2. Step 2: Convert to fraction form
    9,465.12/13,068.44 = 6,330.40/x
  3. Step 3: Cross multiply
    9,465.12x = 13,068.44 × 6,330.40
  4. Step 4: Simplify right side
    9,465.12x = 82,728,452.58
  5. Step 5: Solve for x
    x = 82,728,452.58/9,465.12
  6. Step 6: Final answer
    x = 8,740.35

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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.