Home / 10,543.02-15,812.10-7,277.10

Finding the Fourth Proportional to 10,543.02, 15,812.10 and 7,277.10

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Solution

The fourth proportional to 10,543.02, 15,812.10 and 7,277.10 is: 10,913.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,543.02 : 15,812.10 = 7,277.10 : x
  2. Step 2: Convert to fraction form
    10,543.02/15,812.10 = 7,277.10/x
  3. Step 3: Cross multiply
    10,543.02x = 15,812.10 × 7,277.10
  4. Step 4: Simplify right side
    10,543.02x = 115,066,232.91
  5. Step 5: Solve for x
    x = 115,066,232.91/10,543.02
  6. Step 6: Final answer
    x = 10,913.97

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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.