Home / 9,370.53-12,925.36-7,127.48

Finding the Fourth Proportional to 9,370.53, 12,925.36 and 7,127.48

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Solution

The fourth proportional to 9,370.53, 12,925.36 and 7,127.48 is: 9,831.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,370.53 : 12,925.36 = 7,127.48 : x
  2. Step 2: Convert to fraction form
    9,370.53/12,925.36 = 7,127.48/x
  3. Step 3: Cross multiply
    9,370.53x = 12,925.36 × 7,127.48
  4. Step 4: Simplify right side
    9,370.53x = 92,125,259.39
  5. Step 5: Solve for x
    x = 92,125,259.39/9,370.53
  6. Step 6: Final answer
    x = 9,831.38

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Double scale
Find fourth proportional to 9,371.53, 12,926.74 and 7,128.48
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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.