Home / 11,543.49-15,928.48-6,507.93

Finding the Fourth Proportional to 11,543.49, 15,928.48 and 6,507.93

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Solution

The fourth proportional to 11,543.49, 15,928.48 and 6,507.93 is: 8,980.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,543.49 : 15,928.48 = 6,507.93 : x
  2. Step 2: Convert to fraction form
    11,543.49/15,928.48 = 6,507.93/x
  3. Step 3: Cross multiply
    11,543.49x = 15,928.48 × 6,507.93
  4. Step 4: Simplify right side
    11,543.49x = 103,661,432.85
  5. Step 5: Solve for x
    x = 103,661,432.85/11,543.49
  6. Step 6: Final answer
    x = 8,980.08

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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.