Home / 9,720.48-14,568.24-8,465.92

Finding the Fourth Proportional to 9,720.48, 14,568.24 and 8,465.92

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Solution

The fourth proportional to 9,720.48, 14,568.24 and 8,465.92 is: 12,688.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720.48 : 14,568.24 = 8,465.92 : x
  2. Step 2: Convert to fraction form
    9,720.48/14,568.24 = 8,465.92/x
  3. Step 3: Cross multiply
    9,720.48x = 14,568.24 × 8,465.92
  4. Step 4: Simplify right side
    9,720.48x = 123,333,554.38
  5. Step 5: Solve for x
    x = 123,333,554.38/9,720.48
  6. Step 6: Final answer
    x = 12,688.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.