Home / 10,363.15-15,434.80-10,312.93

Finding the Fourth Proportional to 10,363.15, 15,434.80 and 10,312.93

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Solution

The fourth proportional to 10,363.15, 15,434.80 and 10,312.93 is: 15,360.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.15 : 15,434.80 = 10,312.93 : x
  2. Step 2: Convert to fraction form
    10,363.15/15,434.80 = 10,312.93/x
  3. Step 3: Cross multiply
    10,363.15x = 15,434.80 × 10,312.93
  4. Step 4: Simplify right side
    10,363.15x = 159,178,011.96
  5. Step 5: Solve for x
    x = 159,178,011.96/10,363.15
  6. Step 6: Final answer
    x = 15,360.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.