Home / 9,465.48-13,055.22-8,907.40

Finding the Fourth Proportional to 9,465.48, 13,055.22 and 8,907.40

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Solution

The fourth proportional to 9,465.48, 13,055.22 and 8,907.40 is: 12,285.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,465.48 : 13,055.22 = 8,907.40 : x
  2. Step 2: Convert to fraction form
    9,465.48/13,055.22 = 8,907.40/x
  3. Step 3: Cross multiply
    9,465.48x = 13,055.22 × 8,907.40
  4. Step 4: Simplify right side
    9,465.48x = 116,288,066.63
  5. Step 5: Solve for x
    x = 116,288,066.63/9,465.48
  6. Step 6: Final answer
    x = 12,285.49

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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.