Home / 9,666.48-13,339.06-5,416.96

Finding the Fourth Proportional to 9,666.48, 13,339.06 and 5,416.96

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Solution

The fourth proportional to 9,666.48, 13,339.06 and 5,416.96 is: 7,475.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,666.48 : 13,339.06 = 5,416.96 : x
  2. Step 2: Convert to fraction form
    9,666.48/13,339.06 = 5,416.96/x
  3. Step 3: Cross multiply
    9,666.48x = 13,339.06 × 5,416.96
  4. Step 4: Simplify right side
    9,666.48x = 72,257,154.46
  5. Step 5: Solve for x
    x = 72,257,154.46/9,666.48
  6. Step 6: Final answer
    x = 7,475.02

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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.