Home / 10,259.02-14,157.44-5,543.30

Finding the Fourth Proportional to 10,259.02, 14,157.44 and 5,543.30

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Solution

The fourth proportional to 10,259.02, 14,157.44 and 5,543.30 is: 7,649.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259.02 : 14,157.44 = 5,543.30 : x
  2. Step 2: Convert to fraction form
    10,259.02/14,157.44 = 5,543.30/x
  3. Step 3: Cross multiply
    10,259.02x = 14,157.44 × 5,543.30
  4. Step 4: Simplify right side
    10,259.02x = 78,478,937.15
  5. Step 5: Solve for x
    x = 78,478,937.15/10,259.02
  6. Step 6: Final answer
    x = 7,649.75

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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.