Home / 7,486.96-10,331.88-4,130.10

Finding the Fourth Proportional to 7,486.96, 10,331.88 and 4,130.10

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Solution

The fourth proportional to 7,486.96, 10,331.88 and 4,130.10 is: 5,699.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.96 : 10,331.88 = 4,130.10 : x
  2. Step 2: Convert to fraction form
    7,486.96/10,331.88 = 4,130.10/x
  3. Step 3: Cross multiply
    7,486.96x = 10,331.88 × 4,130.10
  4. Step 4: Simplify right side
    7,486.96x = 42,671,697.59
  5. Step 5: Solve for x
    x = 42,671,697.59/7,486.96
  6. Step 6: Final answer
    x = 5,699.47

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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.