Home / 9,030.15-13,550.40-4,870.14

Finding the Fourth Proportional to 9,030.15, 13,550.40 and 4,870.14

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Solution

The fourth proportional to 9,030.15, 13,550.40 and 4,870.14 is: 7,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,030.15 : 13,550.40 = 4,870.14 : x
  2. Step 2: Convert to fraction form
    9,030.15/13,550.40 = 4,870.14/x
  3. Step 3: Cross multiply
    9,030.15x = 13,550.40 × 4,870.14
  4. Step 4: Simplify right side
    9,030.15x = 65,992,345.06
  5. Step 5: Solve for x
    x = 65,992,345.06/9,030.15
  6. Step 6: Final answer
    x = 7,308.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.