Home / 10,316.16-14,236.08-5,600.40

Finding the Fourth Proportional to 10,316.16, 14,236.08 and 5,600.40

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Solution

The fourth proportional to 10,316.16, 14,236.08 and 5,600.40 is: 7,728.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.16 : 14,236.08 = 5,600.40 : x
  2. Step 2: Convert to fraction form
    10,316.16/14,236.08 = 5,600.40/x
  3. Step 3: Cross multiply
    10,316.16x = 14,236.08 × 5,600.40
  4. Step 4: Simplify right side
    10,316.16x = 79,727,742.43
  5. Step 5: Solve for x
    x = 79,727,742.43/10,316.16
  6. Step 6: Final answer
    x = 7,728.43

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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.