Home / 7,466.80-10,303.32-5,112.40

Finding the Fourth Proportional to 7,466.80, 10,303.32 and 5,112.40

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Solution

The fourth proportional to 7,466.80, 10,303.32 and 5,112.40 is: 7,054.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,466.80 : 10,303.32 = 5,112.40 : x
  2. Step 2: Convert to fraction form
    7,466.80/10,303.32 = 5,112.40/x
  3. Step 3: Cross multiply
    7,466.80x = 10,303.32 × 5,112.40
  4. Step 4: Simplify right side
    7,466.80x = 52,674,693.17
  5. Step 5: Solve for x
    x = 52,674,693.17/7,466.80
  6. Step 6: Final answer
    x = 7,054.52

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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.