Home / 9,948.04-13,728.30-5,471.74

Finding the Fourth Proportional to 9,948.04, 13,728.30 and 5,471.74

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Solution

The fourth proportional to 9,948.04, 13,728.30 and 5,471.74 is: 7,551.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,948.04 : 13,728.30 = 5,471.74 : x
  2. Step 2: Convert to fraction form
    9,948.04/13,728.30 = 5,471.74/x
  3. Step 3: Cross multiply
    9,948.04x = 13,728.30 × 5,471.74
  4. Step 4: Simplify right side
    9,948.04x = 75,117,688.24
  5. Step 5: Solve for x
    x = 75,117,688.24/9,948.04
  6. Step 6: Final answer
    x = 7,551.00

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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.