Home / 9,671.90-13,346.40-5,365.11

Finding the Fourth Proportional to 9,671.90, 13,346.40 and 5,365.11

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Solution

The fourth proportional to 9,671.90, 13,346.40 and 5,365.11 is: 7,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,671.90 : 13,346.40 = 5,365.11 : x
  2. Step 2: Convert to fraction form
    9,671.90/13,346.40 = 5,365.11/x
  3. Step 3: Cross multiply
    9,671.90x = 13,346.40 × 5,365.11
  4. Step 4: Simplify right side
    9,671.90x = 71,604,904.10
  5. Step 5: Solve for x
    x = 71,604,904.10/9,671.90
  6. Step 6: Final answer
    x = 7,403.40

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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.