Home / 10,399.08-14,354.64-7,059.18

Finding the Fourth Proportional to 10,399.08, 14,354.64 and 7,059.18

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Solution

The fourth proportional to 10,399.08, 14,354.64 and 7,059.18 is: 9,744.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.08 : 14,354.64 = 7,059.18 : x
  2. Step 2: Convert to fraction form
    10,399.08/14,354.64 = 7,059.18/x
  3. Step 3: Cross multiply
    10,399.08x = 14,354.64 × 7,059.18
  4. Step 4: Simplify right side
    10,399.08x = 101,331,987.60
  5. Step 5: Solve for x
    x = 101,331,987.60/10,399.08
  6. Step 6: Final answer
    x = 9,744.32

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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.