Home / 11,182.59-15,430.81-6,465.96

Finding the Fourth Proportional to 11,182.59, 15,430.81 and 6,465.96

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Solution

The fourth proportional to 11,182.59, 15,430.81 and 6,465.96 is: 8,922.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.59 : 15,430.81 = 6,465.96 : x
  2. Step 2: Convert to fraction form
    11,182.59/15,430.81 = 6,465.96/x
  3. Step 3: Cross multiply
    11,182.59x = 15,430.81 × 6,465.96
  4. Step 4: Simplify right side
    11,182.59x = 99,775,038.80
  5. Step 5: Solve for x
    x = 99,775,038.80/11,182.59
  6. Step 6: Final answer
    x = 8,922.35

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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.