Home / 9,130.16-12,598.87-5,352.86

Finding the Fourth Proportional to 9,130.16, 12,598.87 and 5,352.86

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Solution

The fourth proportional to 9,130.16, 12,598.87 and 5,352.86 is: 7,386.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.16 : 12,598.87 = 5,352.86 : x
  2. Step 2: Convert to fraction form
    9,130.16/12,598.87 = 5,352.86/x
  3. Step 3: Cross multiply
    9,130.16x = 12,598.87 × 5,352.86
  4. Step 4: Simplify right side
    9,130.16x = 67,439,987.27
  5. Step 5: Solve for x
    x = 67,439,987.27/9,130.16
  6. Step 6: Final answer
    x = 7,386.51

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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.