Home / 9,368.55-12,927.47-5,176.53

Finding the Fourth Proportional to 9,368.55, 12,927.47 and 5,176.53

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Solution

The fourth proportional to 9,368.55, 12,927.47 and 5,176.53 is: 7,142.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,368.55 : 12,927.47 = 5,176.53 : x
  2. Step 2: Convert to fraction form
    9,368.55/12,927.47 = 5,176.53/x
  3. Step 3: Cross multiply
    9,368.55x = 12,927.47 × 5,176.53
  4. Step 4: Simplify right side
    9,368.55x = 66,919,410.40
  5. Step 5: Solve for x
    x = 66,919,410.40/9,368.55
  6. Step 6: Final answer
    x = 7,142.98

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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.