Home / 9,133.18-12,602.87-5,154.06

Finding the Fourth Proportional to 9,133.18, 12,602.87 and 5,154.06

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Solution

The fourth proportional to 9,133.18, 12,602.87 and 5,154.06 is: 7,112.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.18 : 12,602.87 = 5,154.06 : x
  2. Step 2: Convert to fraction form
    9,133.18/12,602.87 = 5,154.06/x
  3. Step 3: Cross multiply
    9,133.18x = 12,602.87 × 5,154.06
  4. Step 4: Simplify right side
    9,133.18x = 64,955,885.14
  5. Step 5: Solve for x
    x = 64,955,885.14/9,133.18
  6. Step 6: Final answer
    x = 7,112.08

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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.