Home / 9,877.13-14,812.96-4,877.10

Finding the Fourth Proportional to 9,877.13, 14,812.96 and 4,877.10

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Solution

The fourth proportional to 9,877.13, 14,812.96 and 4,877.10 is: 7,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,877.13 : 14,812.96 = 4,877.10 : x
  2. Step 2: Convert to fraction form
    9,877.13/14,812.96 = 4,877.10/x
  3. Step 3: Cross multiply
    9,877.13x = 14,812.96 × 4,877.10
  4. Step 4: Simplify right side
    9,877.13x = 72,244,287.22
  5. Step 5: Solve for x
    x = 72,244,287.22/9,877.13
  6. Step 6: Final answer
    x = 7,314.30

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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.