Home / 9,649.32-13,316.42-5,457.32

Finding the Fourth Proportional to 9,649.32, 13,316.42 and 5,457.32

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Solution

The fourth proportional to 9,649.32, 13,316.42 and 5,457.32 is: 7,531.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,649.32 : 13,316.42 = 5,457.32 : x
  2. Step 2: Convert to fraction form
    9,649.32/13,316.42 = 5,457.32/x
  3. Step 3: Cross multiply
    9,649.32x = 13,316.42 × 5,457.32
  4. Step 4: Simplify right side
    9,649.32x = 72,671,965.19
  5. Step 5: Solve for x
    x = 72,671,965.19/9,649.32
  6. Step 6: Final answer
    x = 7,531.30

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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.