Home / 9,457.29-13,050.99-5,478.32

Finding the Fourth Proportional to 9,457.29, 13,050.99 and 5,478.32

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Solution

The fourth proportional to 9,457.29, 13,050.99 and 5,478.32 is: 7,560.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,457.29 : 13,050.99 = 5,478.32 : x
  2. Step 2: Convert to fraction form
    9,457.29/13,050.99 = 5,478.32/x
  3. Step 3: Cross multiply
    9,457.29x = 13,050.99 × 5,478.32
  4. Step 4: Simplify right side
    9,457.29x = 71,497,434.28
  5. Step 5: Solve for x
    x = 71,497,434.28/9,457.29
  6. Step 6: Final answer
    x = 7,560.03

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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.