Home / 9,709.05-13,403.70-6,527.46

Finding the Fourth Proportional to 9,709.05, 13,403.70 and 6,527.46

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Solution

The fourth proportional to 9,709.05, 13,403.70 and 6,527.46 is: 9,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,709.05 : 13,403.70 = 6,527.46 : x
  2. Step 2: Convert to fraction form
    9,709.05/13,403.70 = 6,527.46/x
  3. Step 3: Cross multiply
    9,709.05x = 13,403.70 × 6,527.46
  4. Step 4: Simplify right side
    9,709.05x = 87,492,115.60
  5. Step 5: Solve for x
    x = 87,492,115.60/9,709.05
  6. Step 6: Final answer
    x = 9,011.40

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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.